US 2026/0100365 A1 · ANODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY COMPRISING CALCIUM SILICATE, METHOD FOR PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY COMPRISING THE SAME

Anode active material for rechargeable lithium battery comprising calcium silicate, method for preparing the same, and rechargeable lithium battery comprising the same

AssigneesHyundai Motor Company, Kia Corporation, Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)

InventorsSeung Tae Kim, Sung Ho Ban, Sanghun Lee, Changhoon Song, Taeho Park, Kikang Lee, Namgyu Kim, Seung-Min Oh, Eungju Lee, Donghan Youn, Hansu Kim

Life of this patent

Estimating the term…

Abstract

The present disclosure relates to an anode active material for a rechargeable lithium battery including calcium silicate, a method for preparing the same, and a rechargeable lithium battery including the same. According to the present disclosure, it is possible to improve the initial efficiency of a rechargeable lithium battery by providing an anode active material for the rechargeable lithium battery that does not react with lithium and to provide a rechargeable lithium battery with improved charge/discharge life characteristics by increasing the sizes of internal pores.

Claims17

Dependent claims

An anode active material for a rechargeable lithium battery comprising:

calcium silicate represented by CaxSiyOz (1≤x≤3, 1≤y≤3, 3≤z≤9);
and crystalline silicon.

Dependencies are inferred from the claim text.