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The Nigerian Government is set to repeal the 1963 Fire Service Act, Minister of Interior, Olubunmi Tunji-Ojo, has revealed. The minister explained that ....
WENATCHEE — The state has fined a Wapato-based contractor and Stemilt Growers a combined $650,000 after a worker died last year at an apple storage room due to a lack ....
Fire Academy students graduate from Columbia - Oakdale Leader oakdaleleader.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from oakdaleleader.com Daily Mail and Mail on Sunday newspapers.
Room temperature sodium-sulfur batteries have attracted considerable interest due to their remarkable cost-effectiveness and specific capacity. However, due to the limited comprehension of its conversion mechanism, the decrease in sulfur cathode capacity in carbonate electrolytes is usually loosely attributed to the shuttle effect, which is well known in lithium-sulfur batteries that work in ether-based electrolytes. This work proposes a complete sulfur reaction mechanism in which the confined space is very important by combining the results from the theoretical calculations and electrochemical characterization. Specifically, crystal sulfur outside the pores is reduced to polysulfides, leading to irreversible reactions with carbonate solvents. Meanwhile, amorphous sulfur within the narrow pores undergoes an activation process during the first discharge and experiences a reversible conversion in subsequent cycles through a two-step solid-state reaction. Furthermore, the discharge/charge ....