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OXYGEN STORAGE/RELEASE MATERIAL AND EXHAUST GAS PURIFYING CATALYST COMPRISING THE SAME

2025-06-17 23:472950下载
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There is provided an oxygen storage/release material using a rare earth oxysulfate or oxysulfide, which has a high oxygen storage/release capacity even at lower temperatures. The oxygen storage/release material of the present invention comprises a compound consisting of Pr2O2SO4 and/or Pr2O2S in which at least a part of Pr is replaced with Ce.


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