Patents by Inventor Eri SAWADA

Eri SAWADA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Heterocyclic sulfonyl fluoride additives for electrolyte composition for lithium batteries
    Patent number: 11444326
    Abstract: Heterocyclic sulfonyl fluoride additives for electrolyte composition for lithium batteries An electrolyte composition containing •(i) at least one aprotic organic solvent; •(ii) at least one conducting salt; •(iii) at least one compound of formula (I) wherein R1, R2, and R3 are each independently H or a C1-C20 hydrocarbon group which may be unsubstituted or substituted by one or more substituents selected from F, CN, OS(O)2F, and S(O)2F and which may contain one or more groups selected from —O—, —S—, —C(O)O—, —OC(O)—, and —OS(O)2—; wherein at least one of R1, R2, and R3 is substituted by one or more S(O)2F groups; and •(iv) optionally one or more additives.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: September 13, 2022
    Assignee: BASF SE
    Inventors: Zhenji Han, Takeo Fukuzumi, Eri Sawada, Martin Schulz-Dobrick, Jinbum Kim
  • Functionalized sulfonyl fluoride additives for electrolyte composition for lithium ion batteries
    Patent number: 11145903
    Abstract: An electrolyte composition containing at least one aprotic organic solvent; at least one conducting salt; at least one compound of formula (I) and (vi) optionally one or more additives.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: October 12, 2021
    Assignee: BASF SE
    Inventors: Zhenji Han, Takeo Fukuzumi, Eri Sawada, Martin Schulz-Dobrick, Jinbum Kim
  • HETEROCYCLIC SULFONYL FLUORIDE ADDITIVES FOR ELECTROLYTE COMPOSITION FOR LITHIUM BATTERIES
    Publication number: 20200212487
    Abstract: Heterocyclic sulfonyl fluoride additives for electrolyte composition for lithium batteries An electrolyte composition containing •(i) at least one aprotic organic solvent; •(ii) at least one conducting salt; •(iii) at least one compound of formula (I) wherein R1, R2, and R3 are each independently H or a C1-C20 hydrocarbon group which may be unsubstituted or substituted by one or more substituents selected from F, CN, OS(O)2F, and S(O)2F and which may contain one or more groups selected from —O—, —S—, —C(O)O—, —OC(O)—, and —OS(O)2—; wherein at least one of R1, R2, and R3 is substituted by one or more S(O)2F groups; and •(iv) optionally one or more additives.
    Type: Application
    Filed: July 18, 2018
    Publication date: July 2, 2020
    Applicant: BASF SE
    Inventors: Zhenji HAN, Takeo FUKUZUMI, Eri SAWADA, Martin SCHULZ-DOBRICK, Jinbum KIM
  • FUNCTIONALIZED SULFONYL FLUORIDE ADDITIVES FOR ELECTROLYTE COMPOSITION FOR LITHIUM ION BATTERIES
    Publication number: 20200075996
    Abstract: An electrolyte composition containing at least one aprotic organic solvent; at least one conducting salt; at least one compound of formula (I) and (vi) optionally one or more additives.
    Type: Application
    Filed: February 2, 2018
    Publication date: March 5, 2020
    Applicant: BASF SE
    Inventors: Zhenji HAN, Takeo FUKUZUMI, Eri SAWADA, Martin SCHULZ-DOBRICK, Jinbum KIM
  • TRIFUNCTIONAL ADDITIVES FOR ELECTROLYTE COMPOSITION FOR LITHIUM BATTERIES
    Publication number: 20190348714
    Abstract: An electrolyte composition containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I); and (iv) optionally one or more additives.
    Type: Application
    Filed: January 17, 2018
    Publication date: November 14, 2019
    Applicant: BASF SE
    Inventors: Kazuki YOSHIDA, Takeo FUKUZUMI, Jinbum KIM, Eri SAWADA, Martin SCHULZ-DOBRICK