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US 2018/0006305 A1Published application
Negative Electrode for Lithium Ion Secondary Battery and Lithium Ion Secondary Battery
AssigneeAutomotive Energy Supply Corporation
InventorsIppei Waki, Yuji Tanjo
Life of this patent
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Abstract
A negative electrode for a lithium ion secondary battery includes: a negative electrode current collector (11); and a negative electrode active material for a lithium ion secondary battery, which is disposed on the negative electrode current collector and contains a carbon material and an aqueous binder. The carbon material is a graphite particle having a covering layer containing amorphous carbon by 5 wt % or less relative to a total weight of the carbon material.
Claims4
A negative electrode for a lithium ion secondary battery, comprising:
- a negative electrode current collector;
- and
- a negative electrode active material for a lithium ion secondary battery, which is disposed on the negative electrode current collector and contains a carbon material and an aqueous binder, wherein the carbon material is a graphite particle having a covering layer containing amorphous carbon by 5 wt % or less relative to a total weight of the carbon material.
Dependencies are inferred from the claim text.