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특허 상세정보

Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01M-004/58   
미국특허분류(USC) 429/231.8; 429/219; 429/220; 429/221; 429/222; 429/223; 429/229; 429/231.5; 429/218.1; 252/182.1
출원번호 US-0848168 (2004-05-19)
등록번호 US-7452632 (2008-11-18)
우선권정보 KR-10-2003-0032259(2003-05-21)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Stein, McEwen & Bui, LLP
인용정보 피인용 횟수 : 10  인용 특허 : 5
초록

A negative active material for a rechargeable lithium battery, a method for making the negative active material, and a rechargeable lithium battery including a carbonaceous material, which is capable of reversibly intercalating and deintercalating lithium, and particles of a metal or a metal compound or mixtures thereof, distributed in the carbonaceous material, the metal or the metal compound being capable of forming an alloy with lithium during electrochemical charging and discharging.

대표
청구항

What is claimed is: 1. A negative active material for a rechargeable lithium battery comprising: particles of a carbonaceous material that are capable of reversibly intercalating and deintercalating lithium; and particles of a metal or a metal compound or mixtures thereof, distributed within the particles of carbonaceous material, wherein the particles of the metal or the metal compound have an average particulate diameter of 20 to 500 nm, the metal or the metal compound forming an alloy with lithium during electrochemical charging and discharging. 2...

이 특허를 인용한 특허 피인용횟수: 10

  1. Masarapu, Charan; Anguchamy, Yogesh Kumar; Han, Yongbong; Deng, Haixia; Kumar, Sujeet; Lopez, Herman A.. Battery designs with high capacity anode materials and cathode materials. USP2017109780358.
  2. Kumar, Sujeet. Composite compositions, negative electrodes with composite compositions and corresponding batteries. USP2015049012073.
  3. Lopez, Herman A.; Anguchamy, Yogesh Kumar; Deng, Haixia; Han, Yongbong; Masarapu, Charan; Venkatachalam, Subramanian; Kumar, Sujeet. High capacity anode materials for lithium ion batteries. USP2015119190694.
  4. Lopez, Herman A.; Anguchamy, Yogesh Kumar; Deng, Haixia; Han, Yongbong; Masarapu, Charan; Venkatachalam, Subramanian; Kumar, Sujeet. High capacity anode materials for lithium ion batteries. USP20180610003068.
  5. Kumar, Sujeet; Buckley, James P.. High energy lithium ion batteries with particular negative electrode compositions. USP2012108277974.
  6. Kumar, Sujeet; Buckley, James P.. High energy lithium ion batteries with particular negative electrode compositions. USP2014038673490.
  7. Lee, Sung-man; Lee, Jong-hyuk. Negative active material for lithium secondary battery, method for preparing the same, negative electrode comprising the same, and lithium secondary battery comprising same. USP2018019882209.
  8. Anguchamy, Yogesh Kumar; Masarapu, Charan; Deng, Haixia; Han, Yongbong; Venkatachalam, Subramanian; Kumar, Sujeet; Lopez, Herman A.. Porous silicon based anode material formed using metal reduction. USP2015099139441.
  9. Deng, Haixia; Han, Yongbong; Masarapu, Charan; Anguchamy, Yogesh Kumar; Lopez, Herman A.; Kumar, Sujeet. Silicon oxide based high capacity anode materials for lithium ion batteries. USP2017039601228.
  10. Han, Yongbong; Masarapu, Charan; Deng, Haixia; Anguchamy, Yogesh Kumar; Venkatachalam, Subramanian; Lopez, Herman A.. Silicon-based active materials for lithium ion batteries and synthesis with solution processing. USP20180710020491.