Related by context. Frequent words. (Click for all words.) 67 Li ion batteries 66 supercapacitors 66 NiMH 65 Nickel Metal Hydride 64 Li ion 64 Lithium ion 63 Ultracapacitors 63 NiMH batteries 63 Li Ion 61 PEM fuel 61 Lithium batteries 60 lithium ion 60 ultracapacitors 60 SOFCs 59 Lithium ion batteries 59 DMFC 59 lithium ion batteries 59 chemistries 58 thermoelectric materials 58 supercapacitor 57 hybrid powertrains 57 super alloys 57 Lithium Ion 56 Li Ion battery 56 Li ion battery 56 photonic devices 56 Lithium ion battery 55 technologies 55 lithium batteries 55 HB LEDs 55 SiC 54 rechargeables 54 high temperature superconductors 54 ultracapacitor 54 HEVs 54 batteries 54 LEDs 54 CMOS processes 54 copper interconnects 54 superalloys 54 RFICs 54 GaAs 54 dielectrics 53 LED backlights 53 rechargeable batteries 53 brightness LED 53 renewable feedstocks 53 nickel metal hydride 53 IGBTs 53 optical interconnects 53 polymeric materials 53 capacitors 53 photodetectors 53 rectifiers 53 acid batteries 52 diode lasers 52 electron mobility 52 rechargeable lithium ion batteries 52 nanosystems 52 gallium nitride 52 phosphors 52 SSD drives 52 OLED displays 52 SOFC 52 Quantum dots 51 NiMH battery 51 solar photovoltaics 51 ionic liquids 51 optoelectronic components 51 metal alloys 51 light emitting diodes LEDs 51 OLEDs 51 silicon 51 solar chargers 51 gallium nitride GaN 51 flexible substrates 51 lithium polymer batteries 51 solar cells 51 photovoltaics 51 silicon transistors 51 analog ICs 50 tunable lasers 50 GaN 50 Batteries 50 LDOs 50 lithium iron 50 lithium battery 50 CdTe 50 lithium ion battery 50 encapsulants 50 MRAM 50 Nanowires 50 optical biosensors 50 electrochemistry 50 PZT 50 metal oxides 50 nonvolatile memory 50 nanostructured materials 50 proton exchange 49 CMOS 49 crystalline silicon