![固体高分子型燃料电池分隔件用钛材料及其制造方法以及使用它的固体高分子型燃料电池](/CN/2012/8/11/images/201280056679.jpg)
基本信息:
- 专利标题: 固体高分子型燃料电池分隔件用钛材料及其制造方法以及使用它的固体高分子型燃料电池
- 申请号:CN201280056679.5 申请日:2012-07-19
- 公开(公告)号:CN103947023B 公开(公告)日:2016-05-18
- 发明人: 上仲秀哉 , 吉田健太郎 , 武内孝一 , 松本启
- 申请人: 新日铁住金株式会社
- 申请人地址: 日本东京都
- 专利权人: 新日铁住金株式会社
- 当前专利权人: 日本制铁株式会社
- 当前专利权人地址: 日本东京都
- 代理机构: 北京林达刘知识产权代理事务所
- 代理人: 刘新宇; 李茂家
- 优先权: 2011-252582 2011.11.18 JP
- 国际申请: PCT/JP2012/004589 2012.07.19
- 国际公布: WO2013/073076 JA 2013.05.23
- 进入国家日期: 2014-05-16
- 主分类号: H01M8/0208
- IPC分类号: H01M8/0208 ; H01M8/0215 ; H01M8/0228 ; C22C14/00 ; C22F1/00 ; C22F1/18 ; C23G1/10
A titanium material for a polymer electrolyte fuel cell separator consists of, by mass %, a platinum group metal: 0.005% to 0.15% and a rare earth metal: 0.002% to 0.10%, with the balance being Ti and impurities. With this, the titanium material is capable of being provided with a film having good electrical conductivity on the surface thereof while requiring a shorter time of pickling process. The titanium material of the present invention is provided with a film formed of a titanium oxide and a platinum group metal on the surface thereof. It is preferred that the film has a thickness of 50 nm or less, and that the concentration of the platinum group metal on the surface of the film is 1.5% by mass or more. With the thus formed film, the titanium material of the present invention is capable of achieving a reduction in initial contact resistance and ensuring good corrosion resistance. In the titanium material of the present invention, the rare earth metal is preferably Y, and the platinum group metal is preferably Pd.
公开/授权文献:
- CN103947023A 固体高分子型燃料电池分隔件用钛材料及其制造方法以及使用它的固体高分子型燃料电池 公开/授权日:2014-07-23
IPC结构图谱:
H | 电学 |
--H01 | 基本电气元件 |
----H01M | 用于直接转变化学能为电能的方法或装置,例如电池组 |
------H01M8/00 | 燃料电池;及其制造 |
--------H01M8/02 | .零部件 |
----------H01M8/0202 | ..集电器、隔板,例如双极隔板,间隔元件 |
------------H01M8/0204 | ...按无孔材料区分的 |
--------------H01M8/0206 | ....金属或合金 |
----------------H01M8/0208 | .....合金 |