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		<title>Alternating Current Trick Keeps Hydrogen Electrolysis Stack Running for Nearly Three Years</title>
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		<pubDate>Fri, 09 Oct 2026 03:37:58 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[AC:DC operation]]></category>
		<category><![CDATA[ceramic cells]]></category>
		<category><![CDATA[electrolyzer degradation]]></category>
		<category><![CDATA[fuel cell mode]]></category>
		<category><![CDATA[green hydrogen]]></category>
		<category><![CDATA[Hydrogen production]]></category>
		<category><![CDATA[impedance spectroscopy]]></category>
		<category><![CDATA[operational strategy]]></category>
		<category><![CDATA[polarity inversion]]></category>
		<category><![CDATA[solid oxide electrolysis]]></category>
		<category><![CDATA[stack durability]]></category>
		<category><![CDATA[steam electrolysis]]></category>
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					<description><![CDATA[Researchers kept a 70-cell solid oxide steam electrolysis stack running for 25,000 hours with record-low degradation by periodically inverting its polarity between electrolysis and fuel-cell modes.]]></description>
		
		
		
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