{"id":169,"date":"2014-08-21T20:52:07","date_gmt":"2014-08-22T00:52:07","guid":{"rendered":"http:\/\/www.joshuagallaway.com\/?p=169"},"modified":"2014-08-21T20:52:07","modified_gmt":"2014-08-22T00:52:07","slug":"a-simple-fuel-cell","status":"publish","type":"post","link":"http:\/\/www.joshuagallaway.com\/?p=169","title":{"rendered":"A simple fuel cell"},"content":{"rendered":"<p><a href=\"http:\/\/www.joshuagallaway.com\/wp-content\/uploads\/fuel-cell-drawing-edit.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large wp-image-170\" src=\"http:\/\/www.joshuagallaway.com\/wp-content\/uploads\/fuel-cell-drawing-edit.png\" alt=\"fuel cell drawing edit\" width=\"1\" height=\"1\" \/><\/a><\/p>\n<p>When I was a grad student I had to run a lab for undergrads to make their own <strong>fuel cells<\/strong>. This was a drawing I made to explain the basic components and how they went together. The metal plates on the outside are the current collectors. At the center is the <a href=\"http:\/\/en.wikipedia.org\/wiki\/Membrane_electrode_assembly\">membrane-electrode assembly<\/a> or the <strong>MEA<\/strong>. It&#8217;s a piece of solid electrolyte membrane that feels a bit like a piece of rubber. On each side is a small square of catalyst, usually platinum particles.<\/p>\n<p>I have to tell you, I sort of miss painting platinum onto MEAs. However, I <em>do not<\/em> miss helping people put these together. Getting all that lined up and sandwiched together is harder than it looks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When I was a grad student I had to run a lab for undergrads to make their own fuel cells. This was a drawing I made to explain the basic components and how they went together. The metal plates on &hellip; <a href=\"http:\/\/www.joshuagallaway.com\/?p=169\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14,16],"tags":[],"_links":{"self":[{"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=\/wp\/v2\/posts\/169"}],"collection":[{"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=169"}],"version-history":[{"count":2,"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions"}],"predecessor-version":[{"id":175,"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions\/175"}],"wp:attachment":[{"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.joshuagallaway.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}