InSb: A Stable Cycling Anode Material Enables Fast Charging of Li-Ion Batteries at Sub-zero Temperatures
Source abstract
Abstract
In this work we surprisingly find that the reaction mechanism, Li-ion diffusion kinetics, and polycrystalline sphalerite structure of the InSb anode materials remain unchanged during the charging and discharging process at both room and sub-zero temperatures. The sputtered pure InSb film anodes can stably cycle more than 800 times at 1 A/g and deliver a high capacity of 534.6 mAh/g at 30 °C. With a high current rate of 2 A/g at −40 °C, a capacity of 402.8 mAh/g can be maintained. For the ball-milled InSb/graphite composite, a capacity of 434.3 mAh/g at 1 A/g can remain very stable for more than 700 cycles at both 30 °C and −50 °C. The 2500 mAh soft pack cells, which are made entirely from the commercialization process and successfully run long-term at −30 °C, also demonstrate the potential of InSb anodes for commercial applications.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Technologies Research · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510640, China
School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China
Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518000, China
Funding
Key Technologies Research and Development Program of Guangzhou · Basic and Applied Basic Research Foundation of Guangdong Province · National Natural Science Foundation of China · TCL Science and Technology Innovation Fund
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