Nature Communications
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2025
·Vol. 16
·期 1
·1-13
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IF 15.7
Xu Qiuchen,Tang Shanshan,Li Nachuan,Wang Yan,Zhao Xiaoju,Zhang Xiao,Geng Shitao,Yuan Bin,Wang Shuo,Ouyang Zhaofeng,Liao Meng,Ma Linlin,Shang Ming,Sun Yifan,Peng Huisheng,Sun Hao
Rechargeable sodium-chlorine (Na-Cl 2 ) batteries show great promise in grid energy storage applications due to their high electrochemical performance. However, the use of highly corrosive thionyl chloride (SOCl 2 )-based electrolytes has severely hindered their real-world applications. Here we show a non-corrosive ester (methyl dichloroacetate) as a promising alternative to SOCl 2 , which can form a non-corrosive electrolyte with aluminum chloride and sodium bis(fluorosulfonyl)imide for high-performance rechargeable Na-Cl 2 batteries. The resultant battery shows a reversible capacity of up to 1200 mAh g −1 at a current density of 100 mA g −1 calculated based on the mass of carbon with a discharge voltage of ~2.5 V, a wide temperature range from −40 to 80 °C, and long-term cycling stability of 700 cycles at −40 °C, which outperforms conventional rechargeable Na-Cl 2 batteries and state-of-the-art Na metal batteries. The electrochemical performance and safety have been further extended to fibre batteries, which realize wearable applications of rechargeable Na-Cl 2 batteries. Based on donor number and charge transfer as two key descriptors, we further propose the design principle of organic electrolytes for rechargeable Na-Cl 2 batteries, which can fully unlock the designability and sustainability of organic solvents towards practical Na-Cl 2 batteries.
研究领域:
材料科学
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电化学
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能源存储
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Journal of Environmental Chemical Engineering
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2020
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IF 4.3
Xianglei He,Jialiang Li,Qingmei Meng,Ziyu Guo,Hao Zhang,Yurong Liu
The search for a cost-effective and mild activation method of preparing biochar with excellent adsorption capacity is advantageous to broaden its potential industrial application. Accordingly, tea waste was selected as a carbon source, and KHCO 3 and CH 3 COOK were selected as activators in the two-step sintering process because of their mildness and non-corrosive features. Three types of tea waste biochar was prepared, characterised and utilised for the adsorption of sulfadiazine (SDZ) from aqueous solutions. Benefiting from the activation, the specific surface areas of the tea waste biochar with the highest adsorption capacity described as KHCO 3 -TB-1:2 and CH 3 COOK-TB-1:2, were 717.636 and 648.415 m 2 /g, respectively, whereas the specific surface area of tea waste biochar that was not activated in the two-step sintering process was named TB was only 4.833 m 2 /g. Moreover, the tea waste biochar that was activated by KHCO 3 and CH 3 COOK developed a typical micro-/meso-/macro-hierarchical pore structure. Compared to TB without an adsorption capacity, the maximum adsorption capacities of KHCO 3 -TB-1:2 and CH 3 COOK-TB-1:2 for SDZ were 77.52 and 58.14 mg/g, respectively, at an initial concentration of 50 mg/L and pH = 10.97. The data of the batch-adsorption experiments fitted well with the pseudo-second-order kinetics and Langmuir model, thus suggesting that the adsorption process was dominated by chemical and monolayer adsorptions. The π–π electron donor–acceptor interaction, hydrogen bonding, and electrostatic interaction were the possible adsorption mechanisms. The activation of KHCO 3 and CH 3 COOK is a very promising method to limit equipment corrosion and prepare biochar for the removal of SDZ from aqueous solutions.
研究领域:
环境科学
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材料科学
✓ 已验证
产品关联
DOI
高影响因子
Nature Sustainability
·
2025
·
IF 27.1
Zhang Bo,Li Zhiguo,Han Daliang,Min Zhiwen,Cui Changjun,Wang Li,Li Qiang,Mao Xuejiao,Sun Yuanmiao,Weng Zhe,Yang Quan-Hong
The transition to clean energy necessitates the development of alternative or complementary battery chemistries to lithium-ion batteries. Aluminium (Al) metal batteries (AMBs) are a promising option owing to their high energy density and advantages in terms of abundance, recyclability, manufacturability and sustainability. However, state-of-the-art AMBs rely primarily on electrolytes featuring chloroaluminate anions such as Al 2 Cl 7 − . Unfortunately, such electrolytes create a disparity between achievable energy density and potential, in addition to having high corrosivity, high cost, high viscosity and poor transport kinetics. Here we break this paradigm by formulating an organochloro electrolyte with AlCl 3 salt in dipropyl ether (DPE) solvent. Notably, this AlCl 3 /DPE electrolyte shows no corrosion behaviour towards stainless steel current collectors during 90-day soaking. It enables stable cycling of the Al anode for over 2,000 h at 0.2 mA cm −2 and a high Coulombic efficiency of 99.85%, and prototype Al//Mo 6 S 8 full cells survive 300 cycles. Underlying these unprecedented performances is the unique organochloro solvation structure, AlCl 2 (DPE) 2 + , which is desolvatable and immobilizes free Cl − . By extending the horizon of electrolyte design into the organic domain, this work addresses the notorious issues facing AMBs and paves the way for the implementation of multivalent rechargeable batteries.
研究领域:
储能
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电化学
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电池技术
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材料科学
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可持续能源
✓ 已验证
产品关联
DOI
高影响因子
ACS Nano
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2018
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IF 13.709
Yi-Hong Tan,Wei-Tang Yao,Tianwen Zhang,Tao Ma,Lei-Lei Lu,Fei Zhou,Hong-Bin Yao,Shu-Hong Yu
Currently, developing high voltage (beyond 2 V) rechargeable Mg-ion batteries still remains a great challenge owing to the limit of corrosive electrolyte and low compatibility of anode material. Here we report a facile one step solid state alloying route to synthesize nanoclustered Mg3Bi2 alloy as a high-performance anode to build up a 2 V Mg-ion battery using noncorrosive electrolyte. The fabricated nanoclustered Mg3Bi2 anode delivers a high reversible specific capacity (360 mAh g–1) with excellent stability (90.7% capacity retention over 200 cycles) and high Coulombic efficiency (average 98%) at 0.1 A g–1. The good performance is attributed to the stable nanostructures, which effectively accommodate the reversible Mg2+ ion insertion/deinsertion without losing electric contact among clusters. Significantly, the nanoclustered Mg3Bi2 anode can be coupled with high voltage cathode Prussian Blue to assemble a full cell using noncorrosive electrolyte, showing a stable cycling (88% capacity retention over 200 cycles at 0.2 A g–1) and good rate capability (103 mAh g–1 at 0.1 A g–1 and 58 mAh g–1 at 2 A g–1). The energy and power density of the as-fabricated full cell can reach up to 81 Wh kg–1 and 2850 W kg–1, respectively, which are both the highest values among the reported Mg-ion batteries using noncorrosive electrolytes. This study demonstrates a cost-effective route to fabricate stable and high voltage rechargeable Mg-ion battery potentially for grid-scale energy storage.
研究领域:
材料科学
·
电化学
·
储能技术
✓ 已验证
DOI
高影响因子
危险品化学品经营许可证（带存储）