Fifty years ago this summer,those of us of a certain age will recall being glued to the television screens watching Neil Armstrong become the first human to step onto the surface of the Moon,followed minutes later by Buzz Aldrin.Armstrong's words,beamed back to Earth for all to hear,summed up the momentous achievement:”That's one small step for man,one giant leap for mankind.”Another 50th anniversary of a technological first is also being marked this year-the maiden flight of the supersonic airliner Concorde.But how will the history of batteries reflect our efforts-when viewed in 50 years time? Lead-acid has of course been with us since the late 19th century,while the modern lithium battery was invented a mere 40 years ago.Lead batteries have clearly stood the test of time but how will lithium fare in the near future?
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