Additives African American, Black, Latino, and Hispanic populations Anodes Capacity densities Capacity retention Carbonate electrolytes Carbonation Electrochemical reactivity Electrolytes Energy density Fluoroethylene carbonates Lithium-ion batteries MTurk Mechanical Turk RecSys Retention efficiencies Silicon Silicon anode Technical barriers Theoretical capacity Urea crowdsourcing health information health promotion machine learning mobile phone prevention public health informatics recommender system