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Zhang D, Fu H, Ma X, Yu X, Li F, Zhou J, Lu B. Nonflammable Phosphate-Based Electrolyte for Safe and Stable Potassium Batteries Enabled by Optimized Solvation Effect. Angew Chem Int Ed Engl 2024; 63:e202405153. [PMID: 38709123 DOI: 10.1002/anie.202405153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/22/2024] [Accepted: 05/03/2024] [Indexed: 05/07/2024]
Abstract
Current potassium-ion batteries (PIBs) are limited in safety and lifetime owing to the lack of suitable electrolyte solutions. To address these issues, herein, we report an innovative non-flammable electrolyte design strategy that leverages an optimal moderate solvation phosphate-based solvent which strikes a balance between solvation capability and salt dissociation ability, leading to superior electrochemical performance. The formulated electrolyte simultaneously exhibits the advantages of low salt concentration (only 0.6 M), low viscosity, high ionic conductivity, high oxidative stability, and safety. Our electrolyte also promotes the formation of self-limiting inorganic-rich interphases at the anode surface, alongside robust cathode-electrolyte interphase on iron-based Prussian blue analogues, mitigating electrode/electrolyte side reactions and preventing Fe dissolution. Notably, the PIBs employing our electrolyte exhibit exceptional durability, with 80 % capacity retention after 2,000 cycles at high-voltage of 4.2 V in a coin cell. Impressively, in a larger scale pouch cell, it maintains over 81 % of its initial capacity after 1,400 cycles at 1 C-rate with high average Coulombic efficiency of 99.6 %. This work represents a significant advancement toward the realization of safe, sustainable, and high-performance PIBs.
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Affiliation(s)
- Dianwei Zhang
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Hongwei Fu
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Xuemei Ma
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Xinzhi Yu
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou, 511300, Guangdong Province, China
| | - Fuxiang Li
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Jiang Zhou
- School of Materials Science and Engineering, Central South University, Changsha, 410083, P. R. China
| | - Bingan Lu
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
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2
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Xu Y, Du Y, Chen H, Chen J, Ding T, Sun D, Kim DH, Lin Z, Zhou X. Recent advances in rational design for high-performance potassium-ion batteries. Chem Soc Rev 2024; 53:7202-7298. [PMID: 38855863 DOI: 10.1039/d3cs00601h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
The growing global energy demand necessitates the development of renewable energy solutions to mitigate greenhouse gas emissions and air pollution. To efficiently utilize renewable yet intermittent energy sources such as solar and wind power, there is a critical need for large-scale energy storage systems (EES) with high electrochemical performance. While lithium-ion batteries (LIBs) have been successfully used for EES, the surging demand and price, coupled with limited supply of crucial metals like lithium and cobalt, raised concerns about future sustainability. In this context, potassium-ion batteries (PIBs) have emerged as promising alternatives to commercial LIBs. Leveraging the low cost of potassium resources, abundant natural reserves, and the similar chemical properties of lithium and potassium, PIBs exhibit excellent potassium ion transport kinetics in electrolytes. This review starts from the fundamental principles and structural regulation of PIBs, offering a comprehensive overview of their current research status. It covers cathode materials, anode materials, electrolytes, binders, and separators, combining insights from full battery performance, degradation mechanisms, in situ/ex situ characterization, and theoretical calculations. We anticipate that this review will inspire greater interest in the development of high-efficiency PIBs and pave the way for their future commercial applications.
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Affiliation(s)
- Yifan Xu
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Yichen Du
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Han Chen
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.
| | - Jing Chen
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.
| | - Tangjing Ding
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Dongmei Sun
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Dong Ha Kim
- Department of Chemistry and Nano Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea.
| | - Zhiqun Lin
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.
| | - Xiaosi Zhou
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
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3
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Ma X, Zhang D, Wen J, Fan L, Rao AM, Lu B. Sustainable Electrolytes: Design Principles and Recent Advances. Chemistry 2024; 30:e202400332. [PMID: 38654511 DOI: 10.1002/chem.202400332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 04/23/2024] [Accepted: 04/23/2024] [Indexed: 04/26/2024]
Abstract
Today, rechargeable batteries are omnipresent and essential for our existence. In order to improve the electrochemical performance of electric fields, the introduction of electrolytes with fluorine (F)-based inorganic elemental compositions is a direction of exploration. However, most fluorocarbons have a high global warming potential and ozone depletion potential, which do not meet the sustainability requirements of the battery industry. Therefore, developing sustainable electrolytes is a viable option for future battery development. Although researchers have made much progress in electrolyte optimization, little attention has been paid to developing low-toxic and safe electrolytes. This review aims to elucidate the design principles and recent advances in this direction for solvents and salts. It concludes with a summary and outlook on future research directions for the molecular design of green electrolytes for practical high-voltage rechargeable batteries.
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Affiliation(s)
- Xuemei Ma
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Dianwei Zhang
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Jie Wen
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Ling Fan
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Apparao M Rao
- Department of Physics and Astronomy, Clemson Nanomaterials Institute, Clemson University, Clemson, SC, USA
| | - Bingan Lu
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
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4
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Gao Y, Yu Q, Yang H, Zhang J, Wang W. The Enormous Potential of Sodium/Potassium-Ion Batteries as the Mainstream Energy Storage Technology for Large-Scale Commercial Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2405989. [PMID: 38943573 DOI: 10.1002/adma.202405989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/10/2024] [Indexed: 07/01/2024]
Abstract
Cost-effectiveness plays a decisive role in sustainable operating of rechargeable batteries. As such, the low cost-consumption of sodium-ion batteries (SIBs) and potassium-ion batteries (PIBs) provides a promising direction for "how do SIBs/PIBs replace Li-ion batteries (LIBs) counterparts" based on their resource abundance and advanced electrochemical performance. To rationalize the SIBs/PIBs technologies as alternatives to LIBs from the unit energy cost perspective, this review gives the specific criteria for their energy density at possible electrode-price grades and various battery-longevity levels. The cost ($ kWh-1 cycle-1) advantage of SIBs/PIBs is ascertained by the cheap raw-material compensation for the cycle performance deficiency and the energy density gap with LIBs. Furthermore, the cost comparison between SIBs and PIBs, especially on cost per kWh and per cycle, is also involved. This review explicitly manifests the practicability and cost-effectiveness toward SIBs are superior to PIBs whose commercialization has so far been hindered by low energy density. Even so, the huge potential on sustainability of PIBs, to outperform SIBs, as the mainstream energy storage technology is revealed as long as PIBs achieve long cycle life or enhanced energy density, the related outlook of which is proceeded as the next development directions for commercial applications.
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Affiliation(s)
- Yanjun Gao
- State Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology, Beijing, 100081, China
| | - Qiyao Yu
- State Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology, Beijing, 100081, China
| | - Huize Yang
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Jianguo Zhang
- State Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology, Beijing, 100081, China
| | - Wei Wang
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
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5
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Hu Y, Fu H, Geng Y, Yang X, Fan L, Zhou J, Lu B. Chloro-Functionalized Ether-Based Electrolyte for High-Voltage and Stable Potassium-Ion Batteries. Angew Chem Int Ed Engl 2024; 63:e202403269. [PMID: 38597257 DOI: 10.1002/anie.202403269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/07/2024] [Accepted: 04/07/2024] [Indexed: 04/11/2024]
Abstract
Ether-based electrolyte is beneficial to obtaining good low-temperature performance and high ionic conductivity in potassium ion batteries. However, the dilute ether-based electrolytes usually result in ion-solvent co-intercalation of graphite, poor cycling stability, and hard to withstand high voltage cathodes above 4.0 V. To address the aforementioned issues, an electron-withdrawing group (chloro-substitution) was introduced to regulate the solid-electrolyte interphase (SEI) and enhance the oxidative stability of ether-based electrolytes. The dilute (~0.91 M) chloro-functionalized ether-based electrolyte not only facilitates the formation of homogeneous dual halides-based SEI, but also effectively suppress aluminum corrosion at high voltage. Using this functionalized electrolyte, the K||graphite cell exhibits a stability of 700 cycles, the K||Prussian blue (PB) cell (4.3 V) delivers a stability of 500 cycles, and the PB||graphite full-cell reveals a long stability of 6000 cycles with a high average Coulombic efficiency of 99.98 %. Additionally, the PB||graphite full-cell can operate under a wide temperature range from -5 °C to 45 °C. This work highlights the positive impact of electrolyte functionalization on the electrochemical performance, providing a bright future of ether-based electrolytes application for long-lasting, wide-temperature, and high Coulombic efficiency PIBs and beyond.
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Affiliation(s)
- Yanyao Hu
- School of Physics and Electronics, Hunan University, 410082, Changsha, China
| | - Hongwei Fu
- School of Physics and Electronics, Hunan University, 410082, Changsha, China
| | - Yuanhui Geng
- School of Physics and Electronics, Hunan University, 410082, Changsha, China
| | - Xiaoteng Yang
- School of Physics and Electronics, Hunan University, 410082, Changsha, China
| | - Ling Fan
- School of Physics and Electronics, Hunan University, 410082, Changsha, China
| | - Jiang Zhou
- School of Materials Science and Engineering, Central South University, 410083, Changsha, China
| | - Bingan Lu
- School of Physics and Electronics, Hunan University, 410082, Changsha, China
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6
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Zhao S, Li G, Zhang B, Zhang S, Liu Y, Zhou J, Luo M, Guo S. Highly-Solvating Electrolyte Enables Mechanically Stable and Inorganic-Rich Cathode Electrolyte Interphase for High-Performing Potassium-Ion Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2405184. [PMID: 38777567 DOI: 10.1002/adma.202405184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/13/2024] [Indexed: 05/25/2024]
Abstract
Cathode-electrolyte interphase (CEI) is crucial for the reversibility of rechargeable batteries, yet receives less attention compared to solid-electrolyte interphase (SEI). The prevalent weakly-solvating electrolyte is usually proposed from the standing point of obtaining robust SEI, however, the resultant weak ion-solvent interaction gives rise to excessive free solvents and forms thick CEI with high kinetic barriers, which is disadvantageous for interfacial stability at the high working voltage. Herein, a highly-solvating electrolyte is reported to immobilize free solvents by generating stable ternary complexes and facilitate the growth of homogeneous and ultrathin CEI to boost the electrochemical performances of potassium-ion batteries (PIBs). Through time-of-flight secondary ion mass spectrometry and cryogenic transmission electron microscopy, It is revealed that the deliberately coordinated complexes are the key to forming mechanically stable and inorganic-rich CEI with superior diffusion kinetics for high-performing PIBs. Coupling with a K0.5MnO2 cathode and a soft carbon (SC) anode, a high energy density (202.3 Wh kg-1) is achieved with an exceptional cycle lifespan (92.5% capacity retention after 500 cycles) in a SC||K0.5MnO2 full cell, setting new performance benchmarks for PIBs.
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Affiliation(s)
- Shuoqing Zhao
- School of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Guohao Li
- College of Materials Science and Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Bohan Zhang
- School of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Shipeng Zhang
- School of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Youxing Liu
- School of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Jinhui Zhou
- School of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Mingchuan Luo
- School of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Shaojun Guo
- School of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, P. R. China
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7
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Chen W, Zhang D, Fu H, Li J, Yu X, Zhou J, Lu B. Restructuring Electrolyte Solvation by a Partially and Weakly Solvating Cosolvent toward High-Performance Potassium-Ion Batteries. ACS NANO 2024; 18:12512-12523. [PMID: 38701404 DOI: 10.1021/acsnano.4c02108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
Ether-based electrolytes are among the most important electrolytes for potassium-ion batteries (PIBs) due to their low polarization voltage and notable compatibility with potassium metal. However, their development is hindered by the strong binding between K+ and ether solvents, leading to [K+-solvent] cointercalation on graphite anodes. Herein, we propose a partially and weakly solvating electrolyte (PWSE) wherein the local solvation environment of the conventional 1,2-dimethoxyethane (DME)-based electrolyte is efficiently reconfigured by a partially and weakly solvating diethoxy methane (DEM) cosolvent. For the PWSE in particular, DEM partially participates in the solvation shell and weakens the chelation between K+ and DME, facilitating desolvation and suppressing cointercalation behavior. Notably, the solvation structure of the DME-based electrolyte is transformed into a more cation-anion-cluster-dominated structure, consequently promoting thin and stable solid-electrolyte interphase (SEI) generation. Benefiting from optimized solvation and SEI generation, the PWSE enables a graphite electrode with reversible K+ (de)intercalation (for over 1000 cycles) and K with reversible plating/stripping (the K||Cu cell with an average Coulombic efficiency of 98.72% over 400 cycles) and dendrite-free properties (the K||K cell operates over 1800 h). We demonstrate that rational PWSE design provides an approach to tailoring electrolytes toward stable PIBs.
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Affiliation(s)
- Weijie Chen
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Dianwei Zhang
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Hongwei Fu
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Jinfan Li
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Xinzhi Yu
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou, Guangdong Province 511300, China
| | - Jiang Zhou
- School of Materials Science and Engineering, Central South University, Changsha 410082, P. R. China
| | - Bingan Lu
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
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8
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Xu X, Jiang Q, Yang C, Ruan J, Zhao W, Wang H, Lu X, Li Z, Chen Y, Zhang C, Hu J, Zhou T. Elastic MXene conductive layers and electrolyte engineering enable robust potassium storage. Chem Sci 2024; 15:3262-3272. [PMID: 38425519 PMCID: PMC10901491 DOI: 10.1039/d3sc06079a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 01/17/2024] [Indexed: 03/02/2024] Open
Abstract
The precisely engineered structures of materials greatly influence the manifestation of their properties. For example, in the process of alkali metal ion storage, a carefully designed structure capable of accommodating inserted and extracted ions will improve the stability of material cycling. The present study explores the uniform distribution of self-grown carbon nanotubes to provide structural support for the conductive and elastic MXene layers of Ti3C2Tx-Co@NCNTs. Furthermore, a compatible electrolyte system has been optimized by analyzing the solvation structure and carefully regulating the component in the solid electrolyte interphase (SEI) layer. Mechanistic studies demonstrate that the decomposition predominantly controlled by FSI- leads to the formation of a robust inorganic SEI layer enriched with KF, thus effectively inhibiting irreversible side reactions and major structural deterioration. Confirming our expectations, Ti3C2Tx-Co@NCNTs exhibits an impressive reversible capacity of 260 mA h g-1, even after 2000 cycles at 500 mA g-1 in 1 M KFSI (DME), surpassing most MXene-based anodes reported for PIBs. Additionally, density functional theory (DFT) calculations verify the superior electronic conductivity and lower K+ diffusion energy barriers of the novel superstructure of Ti3C2Tx-Co@NCNTs, thereby affirming the improved electrochemical kinetics. This study presents systematic evaluation methodologies for future research on MXene-based anodes in PIBs.
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Affiliation(s)
- Xinyue Xu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, South-Central Minzu University Wuhan 430074 China
| | - Qingqing Jiang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, South-Central Minzu University Wuhan 430074 China
| | - Chenyu Yang
- Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Material (Ministry of Education), Anhui University Hefei 230601 China
| | - Jinxi Ruan
- Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Material (Ministry of Education), Anhui University Hefei 230601 China
| | - Weifang Zhao
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, South-Central Minzu University Wuhan 430074 China
| | - Houyu Wang
- Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Material (Ministry of Education), Anhui University Hefei 230601 China
| | - Xinxin Lu
- Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Material (Ministry of Education), Anhui University Hefei 230601 China
| | - Zhe Li
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, South-Central Minzu University Wuhan 430074 China
| | - Yuanzhen Chen
- State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University Xi'an 710049 China
| | - Chaofeng Zhang
- Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Material (Ministry of Education), Anhui University Hefei 230601 China
| | - Juncheng Hu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, South-Central Minzu University Wuhan 430074 China
| | - Tengfei Zhou
- Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Material (Ministry of Education), Anhui University Hefei 230601 China
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9
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Cheng L, Lan H, Gao Y, Dong S, Wang Y, Tang M, Sun X, Huang W, Wang H. Realizing Low-Temperature Graphite-based Rechargeable Potassium-Ion Full Battery. Angew Chem Int Ed Engl 2024; 63:e202315624. [PMID: 38151704 DOI: 10.1002/anie.202315624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/10/2023] [Accepted: 12/27/2023] [Indexed: 12/29/2023]
Abstract
Graphite (Gr) has been considered as the most promising anode material for potassium-ion batteries (PIBs) commercialization due to its high theoretical specific capacity and low cost. However, Gr-based PIBs remain unfeasible at low temperature (LT), suffering from either poor kinetics based on conventional carbonate electrolytes or K+ -solvent co-intercalation issue based on typical ether electrolytes. Herein, a high-performance Gr-based LT rechargeable PIB is realized for the first time by electrolyte chemistry. Applying unidentate-ether-based molecule as the solvent dramatically weakens the K+ -solvent interactions and lowers corresponding K+ de-solvation kinetic barrier. Meanwhile, introduction of steric hindrance suppresses co-intercalation of K+ -solvent into Gr, greatly elevating operating voltage and cyclability of the full battery. Consequently, the as-prepared Gr||prepotassiated 3,4,9,10-perylene-tetracarboxylicacid-dianhydride (KPTCDA) full PIB can reversibly charge/discharge between -30 and 45 °C with a considerable energy density up to 197 Wh kgcathode -1 at -20 °C, hopefully facilitating the development of LT PIBs.
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Affiliation(s)
- Liwei Cheng
- School of Chemistry, Beihang University, Beijing, 100191, China
| | - Hao Lan
- School of Chemistry, Beihang University, Beijing, 100191, China
| | - Yong Gao
- School of Chemistry Engineering, Northeast Electric Power University, Jilin, 132012, China
| | - Shuai Dong
- School of Chemistry, Beihang University, Beijing, 100191, China
| | - Yingyu Wang
- School of Chemistry, Beihang University, Beijing, 100191, China
| | - Mengyao Tang
- School of Chemistry, Beihang University, Beijing, 100191, China
| | - Xinyu Sun
- School of Chemistry, Beihang University, Beijing, 100191, China
| | - Wenrui Huang
- School of Chemistry, Beihang University, Beijing, 100191, China
| | - Hua Wang
- School of Chemistry, Beihang University, Beijing, 100191, China
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10
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Fang Y, Zheng W, Hu T, Xiao H, Li L, Yuan W. An Ultrahigh-Capacity Dual-Ion Battery Based on a Free-Standing Graphite Paper Cathode and Flower-Like Heterojunction Anode of Tin Disulfide and Molybdenum Disulfide. CHEMSUSCHEM 2024; 17:e202301093. [PMID: 37620728 DOI: 10.1002/cssc.202301093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/16/2023] [Accepted: 08/24/2023] [Indexed: 08/26/2023]
Abstract
Dual-ion batteries have been considered as a competitive energy-storage device. However, owing to the lack of suitable high-capacity density and rapid-charging electrode materials, designing a cost-effective and high-performance dual-ion battery is still a great challenge. Herein, an ultrahigh-capacity dual-ion battery is constructed based on a carbon-nanotubes (CNTs) containing SnS2 -MoS2 @CNTs heterojunction anode and highly crystalline free-standing graphite paper serves as cathode. The SnS2 -MoS2 @CNTs heterojunction consisting of ultrathin nanosheets was prepared via a facile two-step hydrothermal method and shows flower-like morphology and high crystallinity. Benefiting from the unique design concept, the graphite paper/SnS2 -MoS2 @CNTs dual-ion battery delivers a high capacity of 274.2 mAh g-1 at 100 mA g-1 and has an outstanding capacity retention of 95 % after 300 cycles under 400 mA g-1 . Even at a high current density of 2 A g-1 the battery still retains a considerable capacity of 112.3 mAh g-1 . More importantly, the battery shows an extremely low self-discharge of 0.006 % h-1 after resting for 24 h. Characterization using SEM and XRD further demonstrate the excellent cycling stability and good reversibility. Consequently, this constructed dual-ion battery could be a promising energy storage device and provide new insights for the design of high-performance dual-ion batteries.
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Affiliation(s)
- Yaobing Fang
- Guangdong Engineering Technology Research Center of Advanced Insulating Coating, South China University of Technology-Zhuhai Institute of Modern Industrial Innovation, Zhuhai, 519175, P.R. China
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P.R. China
| | - Wen Zheng
- Guangdong Engineering Technology Research Center of Advanced Insulating Coating, South China University of Technology-Zhuhai Institute of Modern Industrial Innovation, Zhuhai, 519175, P.R. China
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P.R. China
| | - Tao Hu
- Guangdong Engineering Technology Research Center of Advanced Insulating Coating, South China University of Technology-Zhuhai Institute of Modern Industrial Innovation, Zhuhai, 519175, P.R. China
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P.R. China
| | - Hong Xiao
- Shenzhen Sez Construction Group CO.LTD, Shenzhen, 518034, P.R. China
| | - Li Li
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, P.R. China
| | - Wenhui Yuan
- Guangdong Engineering Technology Research Center of Advanced Insulating Coating, South China University of Technology-Zhuhai Institute of Modern Industrial Innovation, Zhuhai, 519175, P.R. China
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P.R. China
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11
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Ma X, Fu H, Shen J, Zhang D, Zhou J, Tong C, Rao AM, Zhou J, Fan L, Lu B. Green Ether Electrolytes for Sustainable High-voltage Potassium Ion Batteries. Angew Chem Int Ed Engl 2023; 62:e202312973. [PMID: 37846843 DOI: 10.1002/anie.202312973] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/03/2023] [Accepted: 10/16/2023] [Indexed: 10/18/2023]
Abstract
Ether-based electrolytes are promising for secondary batteries due to their good compatibility with alkali metal anodes and high ionic conductivity. However, they suffer from poor oxidative stability and high toxicity, leading to severe electrolyte decomposition at high voltage and biosafety/environmental concerns when electrolyte leakage occurs. Here, we report a green ether solvent through a rational design of carbon-chain regulation to elicit steric hindrance, such a structure significantly reducing the solvent's biotoxicity and tuning the solvation structure of electrolytes. Notably, our solvent design is versatile, and an anion-dominated solvation structure is favored, facilitating a stable interphase formation on both the anode and cathode in potassium-ion batteries. Remarkably, the green ether-based electrolyte demonstrates excellent compatibility with K metal and graphite anode and a 4.2 V high-voltage cathode (200 cycles with average Coulombic efficiency of 99.64 %). This work points to a promising path toward the molecular design of green ether-based electrolytes for practical high-voltage potassium-ion batteries and other rechargeable batteries.
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Affiliation(s)
- Xuemei Ma
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Hongwei Fu
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Jingyi Shen
- School of Biology, Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, 410082, China
| | - Dianwei Zhang
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Jiawan Zhou
- School of Science, Hunan University of Technology and Business, Changsha, 410205, Hunan, P. R. China
| | - Chunyi Tong
- School of Biology, Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, 410082, China
| | - Apparao M Rao
- Department of Physics and Astronomy, Clemson Nanomaterials Institute, Clemson University, Clemson, SC, USA
| | - Jiang Zhou
- School of Materials Science and Engineering, Central South University, Changsha, 410083, P. R. China
| | - Ling Fan
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
| | - Bingan Lu
- School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China
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12
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Li A, Man Y, Liao J, Duan L, Ji X, Zhou X. KI-Assisted Formation of Spindle-like Prussian White Nanoparticles for High-Performance Potassium-Ion Battery Cathodes. NANO LETTERS 2023; 23:10066-10073. [PMID: 37846924 DOI: 10.1021/acs.nanolett.3c03558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
Prussian white (PW) is considered as a promising cathode material for potassium-ion batteries (KIBs) due to its low cost and high theoretical capacity. However, the high water content and structural defects and the strict synthesis conditions of PW lead to its unsatisfactory cycling performance and low specific capacity, hindering its practical applications. Herein, a template-engaged reduction method is proposed, using MIL-88B(Fe) as a self-template and KI as the reducing agent to prepare K-rich PW with low defects and water content. Furthermore, the hierarchical porous spindle-like morphology can be inherited from the precursor, furnishing sufficient active sites and reducing the ion diffusion path. Consequently, when applied as a KIB cathode material, spindle-like PW (K1.72Fe[Fe(CN)6]0.96·0.342H2O) manifested remarkable potassium storage properties. Notably, a full cell assembled by the spindle-like PW cathode and graphite anode exhibited a large energy density of ∼216.7 Wh kg-1, demonstrating its huge potential for energy storage systems.
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Affiliation(s)
- An Li
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Yuehua Man
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Jiaying Liao
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Liping Duan
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Xiulei Ji
- Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Xiaosi Zhou
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
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13
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Zhao X, Geng S, Zhou T, Wang Y, Tang S, Qu Z, Wang S, Zhang X, Xu Q, Yuan B, Ouyang Z, Peng H, Tang S, Sun H. Unlocking Deep and Fast Potassium-Ion Storage through Phosphorus Heterostructure. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301750. [PMID: 37127850 DOI: 10.1002/smll.202301750] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/19/2023] [Indexed: 05/03/2023]
Abstract
Potassium-ion battery represents a promising alternative of conventional lithium-ion batteries in sustainable and grid-scale energy storage. Among various anode materials, elemental phosphorus (P) has been actively pursued owing to the ideal natural abundance, theoretical capacity, and electrode potential. However, the sluggish redox kinetics of elemental P has hindered fast and deep potassiation process toward the formation of final potassiation product (K3 P), which leads to inferior reversible capacity and rate performance. Here, it is shown that rational design on black/red P heterostructure can significantly improve K-ion adsorption, injection and immigration, thus for the first time unlocking K3 P as the reversible potassiation product for elemental P anodes. Density functional theory calculations reveal the fast adsorption and diffusion kinetics of K-ion at the heterostructure interface, which delivers a highly reversible specific capacity of 923 mAh g-1 at 0.05 A g-1 , excellent rate capability (335 mAh g-1 at 1 A g-1 ), and cycling performance (83.3% capacity retention at 0.8 A g-1 after 300 cycles). These results can unlock other sluggish and irreversible battery chemistries toward sustainable and high-performing energy storage.
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Affiliation(s)
- Xiaoju Zhao
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shitao Geng
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Tong Zhou
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255049, China
| | - Yan Wang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shanshan Tang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zongtao Qu
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shuo Wang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xiao Zhang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Qiuchen Xu
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Bin Yuan
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zhaofeng Ouyang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Huisheng Peng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
| | - Shaochun Tang
- Key National Laboratory of Solid State Microstructures, Department of Materials Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, China
| | - Hao Sun
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, and Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, 200240, China
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14
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Wen J, Fu H, Zhang D, Ma X, Wu L, Fan L, Yu X, Zhou J, Lu B. Nonfluorinated Antisolvents for Ultrastable Potassium-Ion Batteries. ACS NANO 2023; 17:16135-16146. [PMID: 37561922 DOI: 10.1021/acsnano.3c05165] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
A robust interface between the electrode and electrolyte is essential for the long-term cyclability of potassium-ion batteries (PIBs). An effective strategy for achieving this objective is to enhance the formation of an anion-derived, robust, and stable solid-electrolyte interphase (SEI) via electrolyte structure engineering. Herein, inspired by the application of antisolvents in recrystallization, we propose a nonfluorinated antisolvent strategy to optimize the electrolyte solvation structure. In contrast to the conventional localized superconcentrated electrolyte introducing high-fluorinated ether solvent, the anion-cation interaction is considerably enhanced by introducing a certain amount of nonfluorinated antisolvent into a phosphate-based electrolyte, thereby promoting the formation of a thin and stable SEI to ensure excellent cycling performance of PIBs. Consequently, the nonfluorinated antisolvent electrolyte exhibits superior stability in the K||graphite cell (negligible capacity degradation after 1000 cycles) and long-term cycling in the K||K symmetric cell (>2200 h), as well as considerably improved oxidation stability. This study demonstrates the feasibility of optimized electrolyte engineering with a nonfluorinated antisolvent, providing an approach to realizing superior electrochemical energy storage systems in PIBs.
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Affiliation(s)
- Jie Wen
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Hongwei Fu
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Dianwei Zhang
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Xuemei Ma
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Lichen Wu
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Ling Fan
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Xinzhi Yu
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou, Guangdong Province 511300, China
| | - Jiang Zhou
- School of Materials Science and Engineering, Central South University, Changsha 410082, P. R. China
| | - Bingan Lu
- School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
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15
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Jiang J, Liu Y, Liao Y, Li W, Xu Y, Liu X, Jiang Y, Zhang J, Zhao B. Construction of Synchronous-Deposition K Metal Anodes Via Modulation of Ion/Electron Transport Kinetics for High-Rate and Low-Temperature K Metal Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2300854. [PMID: 37060230 DOI: 10.1002/smll.202300854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/22/2023] [Indexed: 06/19/2023]
Abstract
The construction of conductive scaffolds is demonstrated to be an ideal strategy to alleviate the volume expansion and dendrite growth of K metal anodes. Nevertheless, the heterogeneous top-bottom deposition behavior caused by incompatible electronic/ionic conductivity of three-dimensional (3D) skeleton severely hinders its application. Here, a K2 Se/Cu conducting layer is fabricated on the Cu foam so as to enhance ionic transport and weaken electronic conductivity of the skeleton. Then, an excellent simultaneous deposition behavior of K metal inside the host is obtained for the first time via tuning fast ionic transport and low electronic conductivity. The simultaneous deposition mode can not only utilize the entire 3D structure to accommodate the volume expansion during K deposition but also avoid the formation of K dendrites at high current and ultra-low temperature. Consequently, the symmetric cells present a long cycle lifespan over 1000 h with a low deposition overpotential of 80 mV at 1 mA cm-2 . Furthermore, the full cell matching with the perylene-tetracarboxylic dianhydride (PTCDA) cathode presents an outstanding cycle lifespan over 600 cycles at 5 C at -20°C. The proposed simultaneous deposition strategy provides a new design direction for the construction of dendrite-free K metal anodes.
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Affiliation(s)
- Jinlong Jiang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Yiqian Liu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Yalan Liao
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Wenrong Li
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Yi Xu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Xiaoyu Liu
- Institute for Sustainable Energy/College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Yong Jiang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Jiujun Zhang
- Institute for Sustainable Energy/College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Bing Zhao
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
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16
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Zhao Z, Zhang W, Liu M, Yoo SJ, Yue N, Liu F, Zhou X, Song K, Kim JG, Chen Z, Lang XY, Jiang Q, Zhi C, Zheng W. Ultrafast Nucleation Reverses Dissolution of Transition Metal Ions for Robust Aqueous Batteries. NANO LETTERS 2023. [PMID: 37276017 DOI: 10.1021/acs.nanolett.3c01435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The dissolution of transition metal ions causes the notorious peeling of active substances and attenuates electrochemical capacity. Frustrated by the ceaseless task of pushing a boulder up a mountain, Sisyphus of the Greek myth yearned for a treasure to be unearthed that could bolster his efforts. Inspirationally, by using ferricyanide ions (Fe(CN)63-) in an electrolyte as a driving force and taking advantage of the fast nucleation rate of copper hexacyanoferrate (CuHCF), we successfully reversed the dissolution of Fe and Cu ions that typically occurs during cycling. The capacity retention increased from 5.7% to 99.4% at 0.5 A g-1 after 10,000 cycles, and extreme stability of 99.8% at 1 A g-1 after 40,000 cycles was achieved. Fe(CN)63- enables atom-by-atom substitution during the electrochemical process, enhancing conductivity and reducing volume change. Moreover, we demonstrate that this approach is applicable to various aqueous batteries (i.e., NH4+, Li+, Na+, K+, Mg2+, Ca2+, and Al3+).
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Affiliation(s)
- Zhenzhen Zhao
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Wei Zhang
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Miao Liu
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Seung Jo Yoo
- Center for Research Equipment, Electron Microscopy & Spectroscopy Analysis Team, Korea Basic Science Institute, Daejeon 34133, South Korea
| | - Nailin Yue
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Fuxi Liu
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Xinyan Zhou
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Kexin Song
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Jin-Gyu Kim
- Center for Research Equipment, Electron Microscopy & Spectroscopy Analysis Team, Korea Basic Science Institute, Daejeon 34133, South Korea
| | - Zhongjun Chen
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Xing-You Lang
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Qing Jiang
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
| | - Chunyi Zhi
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong 999077, China
| | - Weitao Zheng
- Key Laboratory of Automobile Materials MOE, and School of Materials Science & Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China
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17
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Han C, Wang H, Wang Z, Ou X, Tang Y. Solvation Structure Modulation of High-Voltage Electrolyte for High-Performance K-Based Dual-Graphite Battery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2300917. [PMID: 37015009 DOI: 10.1002/adma.202300917] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/28/2023] [Indexed: 06/16/2023]
Abstract
Due to the advantages of dual-ion batteries (DIBs) and abundant resources, potassium-based dual-carbon batteries (K-DCBs) have wide application prospects. However, conventional carbonate ester-based electrolyte systems have obvious drawbacks such as poor oxidation resistance and difficulty in sustaining the anion intercalation process at high voltages, which seriously affect the capacity and cycle performance of K-DCBs. Therefore, a rational design of more efficient novel electrolyte systems is urgently required to realize high-performance K-DCBs. Herein, a solvation structure modulation strategy for the K-DCB electrolyte systems is reported. Consequently, substantial K+ ion storage improvement at the graphite anode and enhanced bis(fluorosulfonyl)imide anion (FSI- ) intercalation capacity at the graphite cathode are successfully realized simultaneously. As a proof-of-concept, the assembled K-DCB exhibited a discharge capacity of 103.4 mAh g-1 , and after 400 cycles, ≈90% capacity retention is observed. Moreover, the energy density of the K-DCB full cell reached 157.6 Wh kg-1 , which is the best performance in reported K-DCBs till date. This study demonstrates the effectiveness of solvation modulation in improving the performance of K-DCBs.
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Affiliation(s)
- Chengjun Han
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Haiyan Wang
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Zelin Wang
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Xuewu Ou
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Yongbing Tang
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Shenzhen, 518055, China
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18
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Yang L, Guo L, Yan D, Wang Y, Shen T, Li DS, Pam ME, Shi Y, Yang HY. Understanding the Highly Reversible Potassium Storage of Hollow Ternary (Bi-Sb) 2S 3@N-C Nanocube. ACS NANO 2023; 17:6754-6769. [PMID: 36942802 DOI: 10.1021/acsnano.2c12703] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Metal sulfide anodes have aroused much attention in potassium ion batteries (PIBs) owing to their high theoretical capacities, but the sluggish kinetics and inferior cycling performance caused by severe volumetric change and particle pulverization greatly hinder their further development. Herein, robust hollow structure design together with phase structure engineering endow (Bi-Sb)2S3@N-C anode with superior (de)potassiation kinetics and excellent electrochemical performances in PIBs. Specifically, in situ X-ray diffraction combined with density functional theory calculations and ex situ X-ray photoelectron spectroscopy and high-resolution transmission electron microscopy (TEM) analyses indicated a fresh reaction mechanism of (Bi-Sb)2S3 anode with a distinctive multistep (de)potassiation route along (003) plane of (Bi,Sb) alloy thanks to the Bi-Sb phase regulation in (Bi-Sb)2S3 anode, ensuring it with superior reaction kinetics. Moreover, in situ TEM characterization revealed the advantages of the hollow nanostructure with carbon shell, facilitating fast ion transport kinetics and high tolerance of volume change as well as enabling the structural integrity of electrode material during (de)potassiation. As a result, the (Bi-Sb)2S3 hollow nanocube with N-doped carbon shell ((Bi-Sb)2S3@N-C) delivers a high initial Coulombic efficiency of 66.3%, a great rate performance of 289 mAh g-1 at 2.0 A g-1, and an ultralong cycling life (89% retention after 220 cycles at 0.1 A g-1 and 85% retention after 1600 cycles at 2.0 A g-1) in PIBs. Furthermore, the full cell of (Bi-Sb)2S3@N-C//PTCDA affords a high reversible capacity of 281 mA h g-1 at 1.0 A g-1 after 300 cycles. This work combines structural design and in situ techniques, proving a successful nanostructure engineering strategy to rationalize alloy-type electrode materials for PIBs.
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Affiliation(s)
- Liping Yang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China
- Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore
| | - Lu Guo
- School of Engineering, Yunnan University, Kunming 650091, China
| | - Dong Yan
- International Joint Laboratory of New Energy Materials and Devices of Henan Province, School of Physics and Electronics, Henan University, Kaifeng 475004, PR China
| | - Ye Wang
- Key Laboratory of Material Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, PR China
| | - Ting Shen
- Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore
| | - Dong-Sheng Li
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, PR China
| | - Mei Er Pam
- Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore
| | - Yumeng Shi
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China
| | - Hui Ying Yang
- Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore
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19
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Zhang B, Liu S, Li H, Wang D, Kang W, Sun D. Confined Assembly of Hydrated Vanadium Oxide into Hollow Mesoporous Carbon Nanospheres for Fast and Stable K + Storage Capability. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2208228. [PMID: 36974577 DOI: 10.1002/smll.202208228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/11/2023] [Indexed: 06/18/2023]
Abstract
The rational structural design of the electrode materials is significant to enhance the electrochemical performance for potassium ion storage, benefiting from the shortened ion diffusion distance, increased conductivity, and pseudo-capacitance promotion. Herein, hydrated vanadium oxide (HVO) nanosheets with enriched oxygen defects are well confined into hollow mesoporous carbon spheres (HMCS), producing Od -VOH@C nanospheres through one-step hydrothermal reaction. Attributed to the restricted growth in the HMCS, the HVO nanosheets are loosely packed, generating abundant interfacial boundaries and large specific areas. As a result, Od -VOH@C nanospheres show increased reaction kinetics and well buffer the volume effects for the K+ storage. Od -VOH@C delivers stable capacities of 138 mAh g-1 at 2.0 A g-1 over 10 000 cycles in half-cells attributed to the high pseudo-capacitance contribution. The K+ storage mechanism of insertion and conversion reaction is confirmed by ex situ X-ray diffraction, Raman, and X-ray photoelectron spectroscopy analyses. Moreover, the symmetric potassium-ion capacitors of Od -VOH@C//Od -VOH@C deliver a high energy density of 139.6 Wh kg-1 at the power density of 948.3 W kg-1 .
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Affiliation(s)
- Bingchen Zhang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Shuo Liu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Haochen Li
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Dong Wang
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Wenpei Kang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Daofeng Sun
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
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20
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Zhao L, Sun S, Lin J, Zhong L, Chen L, Guo J, Yin J, Alshareef HN, Qiu X, Zhang W. Defect Engineering of Disordered Carbon Anodes with Ultra-High Heteroatom Doping Through a Supermolecule-Mediated Strategy for Potassium-Ion Hybrid Capacitors. NANO-MICRO LETTERS 2023; 15:41. [PMID: 36705765 PMCID: PMC9883381 DOI: 10.1007/s40820-022-01006-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 12/14/2022] [Indexed: 06/09/2023]
Abstract
Amorphous carbons are promising anodes for high-rate potassium-ion batteries. Most low-temperature annealed amorphous carbons display unsatisfactory capacities. Heteroatom-induced defect engineering of amorphous carbons could enhance their reversible capacities. Nevertheless, most lignocellulose biomasses lack heteroatoms, making it a challenge to design highly heteroatom-doped carbons (> 10 at%). Herein, we report a new preparation strategy for amorphous carbon anodes. Nitrogen/sulfur co-doped lignin-derived porous carbons (NSLPC) with ultra-high nitrogen doping levels (21.6 at% of N and 0.8 at% of S) from renewable lignin biomacromolecule precursors were prepared through a supramolecule-mediated pyrolysis strategy. This supermolecule/lignin composite decomposes forming a covalently bonded graphitic carbon/amorphous carbon intermediate product, which induces the formation of high heteroatom doping in the obtained NSLPC. This unique pyrolysis chemistry and high heteroatom doping of NSLPC enable abundant defective active sites for the adsorption of K+ and improved kinetics. The NSLPC anode delivered a high reversible capacity of 419 mAh g‒1 and superior cycling stability (capacity retention of 96.6% at 1 A g‒1 for 1000 cycles). Potassium-ion hybrid capacitors assembled by NSLPC anode exhibited excellent cycling stability (91% capacity retention for 2000 cycles) and a high energy density of 71 Wh kg-1 at a power density of 92 W kg-1.
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Affiliation(s)
- Lei Zhao
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), 100 Waihuan Xi Road, Panyu District, Guangzhou, 510006, People's Republic of China
| | - Shirong Sun
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), 100 Waihuan Xi Road, Panyu District, Guangzhou, 510006, People's Republic of China
| | - Jinxin Lin
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), 100 Waihuan Xi Road, Panyu District, Guangzhou, 510006, People's Republic of China
| | - Lei Zhong
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), 100 Waihuan Xi Road, Panyu District, Guangzhou, 510006, People's Republic of China
| | - Liheng Chen
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), 100 Waihuan Xi Road, Panyu District, Guangzhou, 510006, People's Republic of China
| | - Jing Guo
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, People's Republic of China
| | - Jian Yin
- Materials Science and Engineering, Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Husam N Alshareef
- Materials Science and Engineering, Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.
| | - Xueqing Qiu
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), 100 Waihuan Xi Road, Panyu District, Guangzhou, 510006, People's Republic of China.
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory), Jieyang, 515200, People's Republic of China.
| | - Wenli Zhang
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), 100 Waihuan Xi Road, Panyu District, Guangzhou, 510006, People's Republic of China.
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory), Jieyang, 515200, People's Republic of China.
- School of Advanced Manufacturing, Research Institute of Green Chemical Engineering and Advanced Materials, Guangdong University of Technology (GDUT), Jieyang, Jieyang, 515200, People's Republic of China.
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21
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Yuan F, Shi C, Li Y, Wang J, Zhang D, Wang W, Wang Q, Wang H, Li Z, Wang B. Rationally Tailoring Superstructured Hexahedron Composed of Defective Graphitic Nanosheets and Macropores: Realizing Durable and Fast Potassium Storage. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205234. [PMID: 36424184 PMCID: PMC9875633 DOI: 10.1002/advs.202205234] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/22/2022] [Indexed: 06/16/2023]
Abstract
Multipores engineering composed of micro/mesopores is an effective strategy to improve potassium storage performance via providing enormous adsorption sites and shortened ions diffusion distance. However, a detailed exploration of the role played by macropores in potassium storage is still lacking and has been barely reported until now. Herein, a superstructure carbon hexahedron (DGN-900) is synthesized using poly tannic acid (PTA) as precursor. Due to the spatially confined two-step local contraction of PTA along different directions and dimensions during pyrolysis, defective nanosheets with macropores are formed, while realizing a balance between defects content and graphitization degree by regulating temperature. The presence of macropores is conducive to accelerating electrolyte ions rapid infiltration within electrode, and its pore volume can accommodate electrode structure fluctuation upon cycling, while the most suitable ratio of defects to graphitic provides rich ions adsorption sites and sufficient electrons transfer channels, simultaneously. These advantages enable a prominent electrochemical performance in DGN-900 electrode, including high rate (202.9 mAh g-1 at 2 A g-1 ) and long cycling stability over 2000 cycles. This unique fabrication strategy, that is, defects engineering coupled with macropores structure, makes fast and durable potassium storage possible.
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Affiliation(s)
- Fei Yuan
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Conghao Shi
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Yanan Li
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Jian Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Di Zhang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Wei Wang
- School of Metallurgical and Ecological EngineeringUniversity of Science and Technology BeijingBeijing100083China
| | - Qiujun Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Huan Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Zhaojin Li
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Bo Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
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22
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Zhao Z, Zhang H, Li F, Zhao L, Li Q, Li H. Understanding the Predominant Potassium-Ion Intercalation Mechanism of Single-Phased Bimetal Oxides by in Situ Magnetometry. NANO LETTERS 2022; 22:10102-10110. [PMID: 36475731 DOI: 10.1021/acs.nanolett.2c03849] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The electrochemical performance of electrode materials is largely dependent on the structural and chemical evolutions during the charge-discharge processes. Hence, revealing ion storage chemistry could enlighten mechanistic understanding and offer guidance for rational design for energy storage materials. Here, we investigate the mechanisms of potassium (K)-ion storage in the promising bimetal oxide materials by in situ magnetometry. We focus on a single-phased hollow FeTiO3 (SPH-FTO) hexagonal prism synthesized through a complexing-reagent assisted approach and find that the K-ion storage in this compound occurs predominantly with an intercalation mechanism and fractionally a conversion mechanism. We also demonstrate a K-ion hybrid capacitor assembled with the prepared SPH-FTO hexagonal prism anode and activated carbon cathode, delivering a high energy density and high power density as well as extraordinary cycling stability. This new understanding is used to showcase the inherently high K-ion storage properties from the earth-abundant FeTiO3.
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Affiliation(s)
- Zhongchen Zhao
- College of Physics, Center for Marine Observation and Communications, Qingdao University, Qingdao266071, P. R. China
| | - Hao Zhang
- College of Physics, Center for Marine Observation and Communications, Qingdao University, Qingdao266071, P. R. China
| | - Fei Li
- College of Physics, Center for Marine Observation and Communications, Qingdao University, Qingdao266071, P. R. China
| | - Linyi Zhao
- College of Physics, Center for Marine Observation and Communications, Qingdao University, Qingdao266071, P. R. China
| | - Qiang Li
- College of Physics, Center for Marine Observation and Communications, Qingdao University, Qingdao266071, P. R. China
| | - Hongsen Li
- College of Physics, Center for Marine Observation and Communications, Qingdao University, Qingdao266071, P. R. China
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23
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Ke R, Du L, Han B, Xu H, Meng H, Zeng H, Zheng Z, Deng Y. Biobased Self-Growing Approach toward Tailored, Integrated High-Performance Flexible Lithium-Ion Battery. NANO LETTERS 2022; 22:9327-9334. [PMID: 36449360 DOI: 10.1021/acs.nanolett.2c01240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Here we present an innovative, universal, scalable, and straightforward strategy for cultivating a resilient, flexible lithium-ion battery (LIB) based on the bacterial-based self-growing approach. The electrodes and separator layers are integrated intrinsically into one unity of sandwich bacterial cellulose integrated film (SBCIF), with various active material combinations and tailored mechanical properties. The flexible LIB thereof showcases prominent deformation tolerance and multistage foldability due to the unique self-generated wavy-like structure. The LTO|LFP (Li4Ti5O12 and LiFePO4) SBCIF-based flexible LIB demonstrates reliable long-term electrochemical stability with high flexibility, by exhibiting a high capacity retention (>95%) after 500 cycles at 1C/1C after experiencing a 10 000 bending/flattening treatment. The LTO|LFP SBCIF battery subjected to a simultaneous bending/flattening and cycling experiment shows an extraordinary capacity retention rate (>68%) after 200 cycles at 1C/1C. The biobased self-growing approach offers an exciting and promising pathway toward the tailored, integrated high-performance flexible LIBs.
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Affiliation(s)
- Ruohong Ke
- Department of Materials Science and Engineering, School of Innovation and Entrepreneurship, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Leilei Du
- Department of Materials Science and Engineering, School of Innovation and Entrepreneurship, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Bing Han
- Department of Materials Science and Engineering, School of Innovation and Entrepreneurship, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
- School of Advanced Materials, Peking University, Shenzhen 518055, China
| | - Hongli Xu
- Department of Materials Science and Engineering, School of Innovation and Entrepreneurship, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Hong Meng
- School of Advanced Materials, Peking University, Shenzhen 518055, China
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Zijian Zheng
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Yonghong Deng
- Department of Materials Science and Engineering, School of Innovation and Entrepreneurship, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
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24
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Yin H, Lin H, Zhang Y, Huang S. Iron(II) Phthalocyanine Adsorbed on Defective Graphenes: A Density Functional Study. ACS OMEGA 2022; 7:43915-43922. [PMID: 36506202 PMCID: PMC9730508 DOI: 10.1021/acsomega.2c05170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 11/08/2022] [Indexed: 06/17/2023]
Abstract
The adsorptions of iron(II) phthalocyanine (FePc) on graphene and defective graphene were investigated systematically using density functional theory. Three types of graphene defects covering stone-wales (SW), single vacancy (SV), and double vacancy (DV) were taken into account, in which DV defects included DV(5-8-5), DV(555-777), and DV(5555-6-7777). The calculations of formation energies of defects showed that the SW defect has the lowest formation energy, and it was easier for DV defects to form compared with the SV defect. It is more difficult to rotate or move FePc on the surface of defective graphenes than on the surface of graphene due to bigger energy differences at different sites. Although the charge analysis indicated the charge transfers from graphene or defective graphene to FePc for all studied systems, the electron distributions of FePc on various defective graphenes were different. Especially for FePc@SV, the d xy orbital of Fe in the conduction band moved toward the Fermi level about 1 eV, and the d xz of Fe in the valence band for FePc@SV also moved toward the Fermi level compared with FePc@graphene and other FePc@defective graphenes. Between the planes of FePc and defective graphene, the electron accumulation occurs majorly in the position of the FePc molecular plane for FePc@SW, FePc@DV(5-8-5), and FePc@DV(5555-6-7777) as well as FePc@graphene. However, electrons were accumulated on the upper and lower surfaces of the FePc molecular plane for FePc@SV and FePc@DV(555-777). Thus, the electron distribution of FePc can be modulated by introducing the interfaces of different defective graphenes.
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Affiliation(s)
- Huimin Yin
- College
of Chemistry, Fuzhou University, Fuzhou, Fujian350108, P. R. China
| | - Heyun Lin
- College
of Chemistry, Fuzhou University, Fuzhou, Fujian350108, P. R. China
| | - Yongfan Zhang
- College
of Chemistry, Fuzhou University, Fuzhou, Fujian350108, P. R. China
| | - Shuping Huang
- College
of Chemistry, Fuzhou University, Fuzhou, Fujian350108, P. R. China
- Fujian
Provincial Key Laboratory of Electrochemical Energy Storage Materials, Fuzhou, Fujian350108, P. R. China
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25
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Reasonable Intrinsic Microstructure of Microcrystalline Graphite for High-rate and Long-life Potassium-Ion Batteries. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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26
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Liu X, Sun Y, Tong Y, Li H. Unique Spindle-Like Bismuth-Based Composite toward Ultrafast Potassium Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2204045. [PMID: 36047969 DOI: 10.1002/smll.202204045] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/03/2022] [Indexed: 06/15/2023]
Abstract
Bismuth (Bi)-based materials have attracted great attention as anodes in potassium ion batteries (PIBs) for their high theoretical capacity and suitable voltage range. Herein, the authors report a unique spindle-like structured Bi@N-doped carbon composite (SPB@NC) consisting of interconnected nano-Bi coated heteroatom-doped hard carbon layer via an interesting in situ carbon thermal reduction method. The special interconnected Bi nanoparticles gradually form porous structure with ample inner voids for accommodating volume variations while the N-doped carbon layer not only keeps the electrode stable, but also contributes to rapid electron/ion transfer. As a result, such a robust framework endows SPB@NC fast potassium storage with outstanding capacity of 276.5 mAh g-1 at 30 A g-1 (i.e., 1 min for discharge/charge) and durable cycling performance of 299.3 mAh g-1 at 5 A g-1 after 2000 cycles. Notably, a full cell assembled with potassium vanadate cathode is promising for practical applications. A series of ex situ techniques reveals the in-depth potassium storage mechanism and kinetics reactions. This work illuminates helpful insights into Bi-based anodes for PIBs.
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Affiliation(s)
- Xi Liu
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, P. R. China
| | - Yingjuan Sun
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, P. R. China
| | - Yong Tong
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, P. R. China
| | - Hongyan Li
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, P. R. China
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27
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Zhou M, Fan Y, Gao Y, Ma Z, Liu Z, Wang W, Younus HA, Chen Z, Wang X, Zhang S. Less is More: Trace Amount of a Cyclic Sulfate Electrolyte Additive Enable Ultra-Stable Graphite Anode for High-Performance Potassium-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2022; 14:44429-44438. [PMID: 36129436 DOI: 10.1021/acsami.2c12704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Graphite can be successfully used as an anode for potassium-ion batteries (PIBs), while its conversion to KC8 leads to huge volume expansion, destruction of solid electrolyte interphase (SEI), and thus poor cycling stability. Incorporating additives into electrolytes is an economical and effective way to construct robust SEI for high-performance PIBs. Herein, we developed a series of sulfur-containing additives for PIB graphite anodes, and the impacts of their molecular structure and contents on the SEI are also systematically investigated. Compared with butylene sulfites and 1,3-propane sultone, the 1,3,2-dioxathiolane 2,2-dioxide (DTD) additive endows the graphite electrode (GE) with a higher reversible capacity, and better cycling stability in both the dilute potassium bis(fluorosulfonyl)imide (KFSI)- and potassium hexafluorophosphate (KPF6)-based carbonate electrolyte, as a result of a thinner and sulfate-enriched SEI. Moreover, the addition of a trace amount (0.2 wt %) DTD to the electrolyte can effectively protect the GE running over 800 cycles at 1 C. Excessive additives in the electrolyte will induce continuous SEI growth and render a rapid capacity fading of the GE. This strategy using the electrolyte additive paves the way for the design of novel PIB electrolytes and thus provides a great opportunity for commercial PIBs.
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Affiliation(s)
- Minghan Zhou
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Yuqin Fan
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Yang Gao
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Zhaohui Ma
- BTR New Material Group Co., Ltd., Shenzhen 518106, P. R. China
| | - Zhaoen Liu
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Wenxiang Wang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Hussein A Younus
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
- Chemistry Department, Faculty of Science, Fayoum University, Fayoum 63514, Egypt
| | - Zhengjian Chen
- Biomaterials Research Center, Zhuhai Institute of Advanced Technology Chinese Academy of Sciences, Zhuhai 519003, P. R. China
| | - Xiwen Wang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Shiguo Zhang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
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28
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Chen J, Yu D, Zhu Q, Liu X, Wang J, Chen W, Ji R, Qiu K, Guo L, Wang H. Low-Temperature High-Areal-Capacity Rechargeable Potassium-Metal Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2205678. [PMID: 35853459 DOI: 10.1002/adma.202205678] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/12/2022] [Indexed: 06/15/2023]
Abstract
High mass loading and high areal capacity are key metrics for commercial batteries, which are usually limited by the large charge-transfer impedance in thick electrodes. This can be kinetically deteriorated under low temperatures, and the realization of high-areal-capacity batteries in cold climates remains challenging. Herein, a low-temperature high-areal-capacity rechargeable potassium-tellurium (K-Te) battery is successfully fabricated by knocking down the kinetic barriers in the cathode and pairing it with stable anode. Specifically, the in situ electrochemical self-reconstruction of amorphous Cu1.4 Te in a thick electrode is realized simply by coating micro-sized Te on the Cu collector, significantly improving its ionic conductivity. Meanwhile, the optimized electrolyte enables fast ion transportation and a stable K-metal anode at a large current density and areal capacity. Consequently, this K-Te battery achieves a high areal capacity of 1.25 mAh cm-2 at -40 °C, which greatly exceeds those of most reported works. This work highlights the significance of electrode design and electrolyte engineering for high areal capacity at low temperatures, and represents a critical step toward practical applications of low-temperature batteries.
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Affiliation(s)
- Jiangchun Chen
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Dandan Yu
- College of Materials and Chemistry, China Jiliang University, Hangzhou, 310018, China
| | - Qiaonan Zhu
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Xiaozhi Liu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jiawei Wang
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Wenxing Chen
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Runa Ji
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Keliang Qiu
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Lin Guo
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Hua Wang
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China
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29
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Sun H, Wang W, Zeng L, Liu C, Liang S, Xie W, Gao S, Liu S, Wang X. High-capacity and ultrastable lithium storage in SnSe 2-SnO 2@NC microbelts enabled by heterostructures. Dalton Trans 2022; 51:12071-12079. [PMID: 35880698 DOI: 10.1039/d2dt01951e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The ingenious design of high-performance tin-based lithium-ion batteries (LIBs) is challenging due to their poor conductivity and drastic volume change during continuous lithiation/delithiation cycles. Herein, we present a strategy to confine heterostructured SnSe2-SnO2 nanoparticles into macroscopic nitrogen-doped carbon microbelts (SnSe2-SnO2@NC) as anode materials for LIBs. The composites exhibit an excellent specific capacity of 436.3 mA h g-1 even at 20 A g-1 and an ultrastable specific capacity of 632.7 mA h g-1 after 2800 cycles at 5 A g-1. Density Functional Theory (DFT) calculations reveal that metallic SnSe2-SnO2 heterostructures endow the lithium atoms at the interface with high adsorption energy, which promotes the anchoring of Li atoms, and enhances the electrical conductivity of the anode materials. This demonstrates the superior Li+ storage performance of the SnSe2-SnO2@NC microbelts as anode materials.
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Affiliation(s)
- Haibin Sun
- Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Wenjie Wang
- Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Lianduan Zeng
- Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
| | - Congcong Liu
- Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Shuangshuang Liang
- Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Wenhe Xie
- Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Shasha Gao
- Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Shenghong Liu
- Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Xiao Wang
- Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
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