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The research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 timesThe research paper base lithium battery After folding unit energy density increase 14 times