期刊
ACS ENERGY LETTERS
卷 2, 期 4, 页码 924-929出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.7b00149
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资金
- ALCA-SPRING and Ministry of Education, Culture, Sports, Science and Technology (MEXT) Program for Development of Environmental Technology using Nanotechnology
- National Institute for Materials Science (NIMS) Battery Research Platform
Batteries using metallic lithium (Li) as an anode have attracted a great deal of attention because they have the potential to achieve high energy density over Li -ion batteries. In order to use Li metal as a practical anode of a secondary battery, there are many problems to be overcome. A large volume change of the anode accompanying repetitive deposition and dissolution of Li is one such problem. Here we report that a 3D matrix consisting of insulative microfibers on the Li anode functions as a layer absorbing the volume change associated with the deposition/dissolution of Li as high as 10 mAh/cm2. This result suggests that the use of an insulative 3D matrix layer is an effective way to minimize anode volume change under practical operating conditions.
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