公开(公告)号：US20140295303A1

公开(公告)日：2014-10-02

申请号：US14226435

申请日：2014-03-26

Applicant: TOTO LTD

Inventor： Takuya MATSUO ,  Yousuke AKAGI ,  Megumi SHIMAZU ,  Chihiro KOBAYASHI ,  Mitsunobu SHIONO ,  Koji OMOSHIKI ,  Akira ISHIGURO ,  Yasuo KAKINUMA

IPC: H01M8/04 ,  H01M8/06 ,  H01M8/10

CPC classification number: H01M8/04664 ,  H01M8/04104 ,  H01M8/04223 ,  H01M8/04228 ,  H01M8/04231 ,  H01M8/04365 ,  H01M8/04388 ,  H01M8/04432 ,  H01M8/04447 ,  H01M8/045 ,  H01M8/04753 ,  H01M8/04798 ,  H01M8/0618 ,  H01M8/1004 ,  H01M8/12 ,  H01M8/2428 ,  H01M8/2484 ,  H01M2008/1293

Abstract: Problem: To suppress the occurrence of damage to fuel cell units caused by oxidation shrinkage of fuel electrodes. Solution Means: The invention is a solid oxide fuel cell for generating electricity by reacting hydrogen and oxidant gas in individual fuel cell units, wherein the individual fuel cell units comprise a fuel electrode, an oxidant gas electrode, and a solid electrolyte erected between fuel electrode and oxidant gas electrode; the fuel electrode comprises a composite material containing nickel, and the solid oxide fuel cell prevents shrinkage due to oxidation of the fuel electrode by maintaining the fuel electrode in an oxygen-free atmosphere until the temperature of the fuel electrode has dropped to 350° C. after electrical generation is stopped.

Abstract translation: 问题：抑制由燃料电极的氧化收缩引起的燃料电池单元的损坏。 解决方案：本发明是一种固体氧化物燃料电池，用于通过在各个燃料电池单元中使氢气和氧化剂气体反应来发电，其中各个燃料电池单元包括燃料电极，氧化剂气体电极和直立在燃料极之间的固体电解质 和氧化剂气体电极; 燃料电极包括含镍的复合材料，并且固体氧化物燃料电池通过将燃料电极保持在无氧气氛中直到燃料电极的温度降至350℃来防止燃料电极的氧化引起的收缩。 发电停止后。

公开(公告)号：US20140162149A1

公开(公告)日：2014-06-12

申请号：US14100101

申请日：2013-12-09

Applicant: TOTO LTD.

Inventor： Hiroshi NIIMI ,  Akira ISHIGURO ,  Shigeru ANDO ,  Akira KAWAKAMI ,  Megumi SHIMAZU ,  Yuya TAKAHASHI

IPC: H01M8/22

CPC classification number: H01M4/8885 ,  H01M4/8621 ,  H01M4/8652 ,  H01M4/8828 ,  H01M4/8889 ,  H01M4/9033 ,  H01M8/1213 ,  H01M8/1253 ,  H01M2008/1293 ,  Y02E60/521 ,  Y02E60/525 ,  Y02P70/56

Abstract: Disclosed is a durable solid oxide fuel cell that is less likely to have a problem of a conventional solid oxide fuel cell that an air electrode containing a peroviskite oxide, when exposed to a reducing atmosphere, is separated at the stop of operation, especially shutdown. The solid oxide fuel cell includes an air electrode that is obtained by firing a compact containing a perovskite oxide and sulfur element. The content of the sulfur element in the air electrode as fresh after firing or before the start of power generation is in the range of 50 ppm to 3,000 ppm. The separation of the air electrode is effectively suppressed at the shutdown operation.

Abstract translation: 公开了一种持久的固体氧化物燃料电池，其不太可能存在常规的固体氧化物燃料电池的问题，即在暴露于还原性气氛时，含有渗浮体氧化物的空气电极在操作停止时分离，特别是关闭。 固体氧化物型燃料电池包括通过烧结含有钙钛矿氧化物和硫元素的压块而获得的空气电极。 空气电极中的硫元素在烧制之后或发电开始之前的新鲜含量在50ppm至3,000ppm的范围内。 在关机操作时有效地抑制空气电极的分离。