Invention Application
- Patent Title: LITHIUM-ION BATTERY AND BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS CONTAINING SAME
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Application No.: US18149079Application Date: 2022-12-31
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Publication No.: US20230136779A1Publication Date: 2023-05-04
- Inventor: Limei Zhang , Peipei Chen , Bangrun Wang
- Applicant: Contemporary Amperex Technology Co., Limited
- Applicant Address: CN Ningde City
- Assignee: Contemporary Amperex Technology Co., Limited
- Current Assignee: Contemporary Amperex Technology Co., Limited
- Current Assignee Address: CN Ningde City
- Main IPC: H01M10/0567
- IPC: H01M10/0567 ; H01M10/0525 ; H01M4/62

Abstract:
A lithium-ion battery and a battery module, a battery pack, and an electric apparatus containing the same are provided. The lithium-ion battery includes a positive electrode active material layer including a positive electrode active material and a pre-lithiation agent and an electrolyte including an additive, where the pre-lithiation agent is a lithium metal oxide pre-lithiation agent, the additive includes at least one of compound 1 shown in constitutional formula (I) and compound 2 shown in constitutional formula (II) below. In the following constitutional formula (I), R1 is an oxygen atom or methylene, and R2 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 3 carbon atoms, a halogenated alkyl group having 1 to 3 carbon atoms.
Information query