Energy Storage

Samsung claims its new product is able provide domestic hot water of up to 75 C when the outdoor temperature is between -10 C and 35 C. It relies on an enlarged heat exchanger that the company claims is capable of transferring more heat compared to a conventional outdoor unit.

Scientists in Turkey have developed a new algorithm to optimize the efficiency of PV-powered water pumps. The novel technique is based on the Extended Kalman–Bucy filter, which is a predictor-corrector algorithm used extensively in control systems engineering for estimating unmeasured states of a process.

Shell, which acquired Sonnen four years ago, is now actively seeking a majority shareholder for the Germany storage system specialist.

Researchers found out that the cheapest way to reach a net-zero system in Europe includes a power grid expansion and a hydrogen network. Meanwhile, Lhyfe signs a PPA for its hydrogen facility in Bretagne, and Nortegas reaches 15% of hydrogen in replica of its distribution network in Spain.

University of New South Wales (UNSW) researchers have looked at energy losses in South Australia and have identified average curtailment of 1.5% for distributed PV sites and 0.2% for distributed PV coupled with batteries, but some locations experience generation losses of up to 25%.

Italian researchers have looked at the potential of thermal and electrical energy storage to improve self-consumption rates in buildings when coupled with PV-powered heat pumps. They have concluded that such an approach could yield self-consumption rates of more than 80%.

EnerVenue has developed a new metal-hydrogen battery. The US startup says the battery’s efficiency ranges from 80% to 90%, depending on the cycle rate, and claims that its energy density per square foot is equal to or even better than lithium-ion batteries.

India aims to develop 4 GWh of battery energy storage systems (BESS) by 2030-31 through its viability gap funding (VGF) scheme. The selection of BESS developers for VGF grants will undergo a transparent, competitive bidding process.

One of the benefits of electric vehicle (EV) ownership is being able to plug your car into a wall at home ready for the following day’s commute but the idea is not so simple for apartment dwellers. Harald Seip, of EV charger company Elaway, suggests ways EU policymakers could solve that problem.

Researchers in the US have demonstrated that replacing the planar lithium anode in a redox mediated lithium-sulfur redox flow battery with a high surface area scaffold enables 10 times faster cycling, up to 10 mA cm−2, without short circuit or voltage instability.