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== Ecological electric == === Sodium batteries === [[File:Na (Sodium).jpg|thumb|right|260px|[[w:Chemical element]] with symbol [[w:Na]] and [[w:atomic number]] 11 is in abundant supply as it can be harvested from seawater.]] '''Scientific articles''' * [https://pubs.rsc.org/en/content/articlelanding/2017/cs/c6cs00776g#!divAbstract ''''Sodium-ion batteries: present and future'''' at pubs.rsc.org] published in [[w:Chemical Society Reviews]] issue 12, 2017 '''Reporting''' * [https://www.intelligentliving.co/improved-sodium-ion-battery/ ''''''Improved Sodium-Ion Battery Could Rival Lithium-Ion Models'''''', July 2020 reporting at intelligentliving.co ==== Broadbit sodium batteries ==== * http://www.broadbit.com/ is a technology company developing revolutionary new batteries using novel sodium-based chemistries to power the future green economy. ==== IBM sodium batteries ==== * [https://www.ibm.com/blogs/research/2019/12/heavy-metal-free-battery/ 'Free of Heavy Metals, New Battery Design Could Alleviate Environmental Concerns' at IBM Research Blog], a Dec 2018 post === Plant-based batteries and supercapacitors === {{Q|A '''[[w:supercapacitor|supercapacitor]]''' is a high-capacity [[w:capacitor|capacitor]] with a capacitance value much higher than other capacitors, but with lower voltage limits, that bridges the gap between [[w:electrolytic capacitor|electrolytic capacitor]]s and [[w:Rechargeable battery|rechargeable batteries]]. It typically stores 10 to 100 times more [[w:specific energy|energy per unit volume or mass]] than electrolytic capacitors, can accept and deliver charge much faster than batteries, and tolerates many more [[w:charge and discharge cycle|charge and discharge cycle]]s than [[w:Rechargeable battery|rechargeable batteries]].|Wikipedia|definition of a supercapacitator}} {{Q|Supercapacitors are used in applications requiring many rapid charge/discharge cycles, rather than long term compact energy storage β in automobiles, buses, trains, cranes and elevators, where they are used for [[w:Regenerative brake|regenerative braking]], short-term energy storage, or burst-mode power delivery.|Wikipedia|uses of supercapacitors}} Spent '''[[w:hemp|hemp]]''' has been studied for use in electrical engineering. * [https://pubs.acs.org/doi/abs/10.1021/nn400731g 'Interconnected Carbon Nanosheets Derived from Hemp for Ultrafast Supercapacitors with High Energy'], a 2014 scientific article published in [[w:ACS Nano]], a monthly, [[w:peer review|peer-reviewed]], [[w:scientific journal]], published by the [[w:American Chemical Society]]. * [https://www.bbc.com/news/science-environment-28770876 BBC.com article on 'Hemp fibres "better than graphene"'] (2014) * [https://www.youtube.com/watch?v=7K4eIOmiJL4 ''''''Hemp Battery As Good As Lithium Ion?'''''' at youtube.com] (2016) by [https://www.youtube.com/channel/UC4AkVj-qnJxNtKuz3rkq16A Robert Murray Smith] ''' [[w:Pine|Pine]] bark and [[w:Brewer's spent grain|spent grain]] ''' studied for biocoal for batteries and supercapacitors * [[w:VTT Technical Research Centre of Finland|VTT Technical Research Centre of Finland]] blog post [https://www.vttresearch.com/Impulse/Pages/Greener-electronics-from-spent-grain-and-pine-bark.aspx "Greener electronics from spent grain and pine bark"] states that VTT and [[w:Aalto University|Aalto University]] have joined the [[w:Academy of Finland|Academy of Finland]]'s FinnCERES flagship programme to study the possibilities of using [[w:biocoal|biocoal]] made from [[w:Brewer's spent grain|brewery waste]] and [[w:pulp mill|pulp mill]] [[w:waste|waste]] to make [[w:electrical battery|batteries]], [[w:supercapacitor]]s and [[w:solar panel|solar panel]]s. ----
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