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    • 3. 发明申请
    • NANOTUBE WIRING
    • NANOTUBE接线
    • US20100068621A1
    • 2010-03-18
    • US12445128
    • 2007-10-18
    • Ivan ExnarShaik Mohammed ZakeeruddinMichael GratzelLadislav Kavan
    • Ivan ExnarShaik Mohammed ZakeeruddinMichael GratzelLadislav Kavan
    • H01M4/60H01M4/02
    • H01M10/0525H01M2/1673H01M4/0416H01M4/13H01M4/136H01M4/139H01M4/36H01M4/362H01M4/5825H01M4/60H01M4/625Y10S977/75
    • This invention concerns a novel method for surface derivatization of electrode materials for Li-ion batteries. The derivatization is based on adsorption of a composite assembly consisting of amphiphilic redox active molecule attached to single walled carbon nanotube (SWCNT). Its role consists in the enhancement of electronic conductivity of electrode materials, such as phosphate olivines, without requesting any significant increase of the electrode volume and mass. The SWCNT is linked to the redox molecule via non-covalent or covalent interaction with the hydrophobic part of the molecule or electrostatic interaction. The hydrophilic part of the molecule serves as the anchoring site for surface modification of the electrode active material. The redox potential of the molecule is close to the redox potential of the electrode active material. The adsorbed assembly of redox-molecule & SWCNT thus improves the charge transfer from a current collector to the electrode active material.
    • 本发明涉及用于锂离子电池的电极材料的表面衍生化的新方法。 衍生化基于由连接到单壁碳纳米管(SWCNT)的两亲性氧化还原活性分子组成的复合组件的吸附。 其作用在于提高诸如磷酸橄榄石之类的电极材料的电子传导性,而不需要电极体积和质量的显着增加。 SWCNT通过与分子的疏水部分或静电相互作用的非共价或共价相互作用与氧化还原分子连接。 分子的亲水部分用作电极活性材料的表面改性的锚定位点。 分子的氧化还原电位接近电极活性物质的氧化还原电位。 因此,氧化还原分子和SWCNT的吸附组件改善了从集电器到电极活性材料的电荷转移。
    • 4. 发明授权
    • Nanotube wiring
    • 纳米管接线
    • US08097361B2
    • 2012-01-17
    • US12445128
    • 2007-10-18
    • Ivan ExnarShaik Mohammed ZakeeruddinMichael GratzelLadislav Kavan
    • Ivan ExnarShaik Mohammed ZakeeruddinMichael GratzelLadislav Kavan
    • H01M4/60H01M4/13D01F9/12
    • H01M10/0525H01M2/1673H01M4/0416H01M4/13H01M4/136H01M4/139H01M4/36H01M4/362H01M4/5825H01M4/60H01M4/625Y10S977/75
    • This invention concerns a novel method for surface derivatization of electrode materials for Li-ion batteries. The derivatization is based on adsorption of a composite assembly consisting of amphiphilic redox active molecule attached to single walled carbon nanotube (SWCNT). Its role consists in the enhancement of electronic conductivity of electrode materials, such as phosphate olivines, without requesting any significant increase of the electrode volume and mass. The SWCNT is linked to the redox molecule via non-covalent or covalent interaction with the hydrophobic part of the molecule or electrostatic interaction. The hydrophilic part of the molecule serves as the anchoring site for surface modification of the electrode active material. The redox potential of the molecule is close to the redox potential of the electrode active material. The adsorbed assembly of redox-molecule & SWCNT thus improves the charge transfer from a current collector to the electrode active material.
    • 本发明涉及用于锂离子电池的电极材料的表面衍生化的新方法。 衍生化基于由连接到单壁碳纳米管(SWCNT)的两亲性氧化还原活性分子组成的复合组件的吸附。 其作用在于提高诸如磷酸橄榄石之类的电极材料的电子传导性,而不需要电极体积和质量的显着增加。 SWCNT通过与分子的疏水部分或静电相互作用的非共价或共价相互作用与氧化还原分子连接。 分子的亲水部分用作电极活性材料的表面改性的锚定位点。 分子的氧化还原电位接近电极活性物质的氧化还原电位。 因此,氧化还原分子和SWCNT的吸附组件改善了从集电器到电极活性材料的电荷转移。