Metal ions 13 Ion exchange 12 Lithium ion batteries 12 Absorption and adsorption 9 Dissertations, Academic 8 Dissertations 7 Electric properties 7 Glass 7 Ions 7 Lithium ions 7 Ion bombardment 6 Lithium cells 6 Analysis 5 Hydrogen-ion concentration 5 Materials 5 Polyelectrolytes 5 Storage batteries 5 Dense plasma focus 4 Electrodes, Ion selective 4 Heavy ions 4 Ion implantation 4 Measurement 4 Secondary ion mass spectrometry 4 Spectra 4 Adsorption 3 Chemical process control 3 Electrochemical analysis 3 Electrolytes 3 Heavy ion collisions 3 Heavy metals 3