New battery technologies that have higher power outputs and inputs for long time periods can allow renewables to better provide support for power demands that are high for short periods. The report said that one approach for providing that type of robust service is to include graphene in supercapacitors’ electrodes, which will result in power capability that is 10 to 100 times higher than current batteries.
http://www.renewableenergyworld.com/articles/2017/09/5-prospects-for-renewable-microgrid-technology-innovation.html?cmpid=enl_rew_energy_storage_news_2017-09-28&[email protected]&eid=291113142&bid=1879704
Looks like Electrovaya is working on something that could be very useful. (TerraE) and the graphite MOU.