Patent number: 10490811
Abstract: A negative electrode active material for a lithium secondary battery including silicon (Si), manganese (Mn), Component A including at least one selected from iron (Fe), molybdenum (Mo), chromium (Cr), zinc (Zn), titanium (Ti), nickel (Ni), vanadium (V), tungsten (W), and yttrium (Y), and Component B including at least one selected from carbon (C), boron (B), oxygen (O), nitrogen (N), phosphorous (P), and sulfur (S), wherein a total amount of Si, Mn, and Component A is about 70 atom % or less, an amount of Component B is 30 atom % or more, and a total amount of Mn and Component A is in a range of about 10 atom % to about 35 atom %.
Type:
Grant
Filed:
September 22, 2017
Date of Patent:
November 26, 2019
Assignees:
Samsung SDI Co., Ltd., MK Electron Co., Ltd.
Inventors:
Hana Yoo, Deokhyun Kim, Jaehyuk Kim, Soonsung Suh, Jaemyung Kim, Heesang Jeon, Yungu Cho, Jongsoo Cho
Publication number: 20180090756
Abstract: A negative electrode active material for a lithium secondary battery including silicon (Si), manganese (Mn), Component A including at least one selected from iron (Fe), molybdenum (Mo), chromium (Cr), zinc (Zn), titanium (Ti), nickel (Ni), vanadium (V), tungsten (W), and yttrium (Y), and Component B including at least one selected from carbon (C), boron (B), oxygen (O), nitrogen (N), phosphorous (P), and sulfur (S), wherein a total amount of Si, Mn, and Component A is about 70 atom % or less, an amount of Component B is 30 atom % or more, and a total amount of Mn and Component A is in a range of about 10 atom % to about 35 atom %.
Type:
Application
Filed:
September 22, 2017
Publication date:
March 29, 2018
Applicant:
MK Electron Co., Ltd.
Inventors:
Hana YOO, Deokhyun KIM, Jaehyuk KIM, Soonsung SUH, Jaemyung KIM, Heesang JEON, Yungu CHO, Jongsoo CHO