Engineering & Materials Science
Proton exchange membrane fuel cells (PEMFC)
100%
Cathodes
85%
Crystals
75%
Catalysts
62%
Water
59%
Sodium-ion batteries
55%
Ions
53%
Membranes
49%
Zinc
49%
Oxygen reduction reaction
48%
Copolymers
48%
Protons
44%
Cathode materials
44%
Proton conductivity
43%
Polyether ether ketones
41%
Binders
39%
Electrodes
36%
Manganese oxide
36%
Graphene
35%
Intercalation
32%
Crown ethers
32%
Phase transitions
31%
Secondary batteries
30%
Composite membranes
29%
Anodes
25%
Metalorganic frameworks
23%
Hydration
23%
Atmospheric humidity
23%
Aromatic polymers
23%
Nanosheets
22%
Oligomers
21%
Dissolution
21%
Manganese
21%
Electrolytes
21%
Nanoparticles
20%
Lithium batteries
20%
Sodium
20%
Acids
20%
Composite materials
20%
Grafts
19%
Oxidation-Reduction
19%
Crystal structure
19%
Pyrene
18%
Dendrites (metallography)
17%
Cotton
17%
Life cycle
17%
Sodium hydroxide
17%
Lithium
16%
Durability
16%
Lithium-ion batteries
16%
Physics & Astronomy
membranes
55%
fuel cells
52%
electric batteries
46%
catalysts
42%
cathodes
40%
ethers
33%
electrolytes
31%
protons
30%
copolymers
29%
ketones
29%
performance
27%
vinylidene
23%
imidazoles
22%
lithium batteries
21%
oxygen
21%
polymers
21%
humidity
20%
fluorides
20%
water
18%
oligomers
17%
lithium
16%
metals
15%
manganese
15%
conductivity
15%
magnesium
14%
hydration
13%
acids
13%
sodium
13%
zinc
13%
cells
13%
graphene
12%
crystal structure
11%
silicon dioxide
11%
engineering
11%
synthesis
10%
composite materials
10%
catalytic activity
10%
cycles
10%
augmentation
9%
dissolving
8%
ions
8%
penalties
7%
intercalation
7%
safety
7%
energy storage
7%
crystals
7%
nonaqueous electrolytes
6%
platinum
5%
nanoparticles
5%
kinetics
5%
Chemical Compounds
Cathode
74%
Intercalation Compound
28%
Behavior as Electrode
27%
Binding Agent
26%
Catalyst
26%
Poly(vinylidene)
26%
Composite Material
26%
Humidity
23%
Ion
22%
Pseudorotaxane
21%
Graphene
21%
Energy Storage
20%
Diffusion
20%
Desolvation
20%
Rotaxane
19%
Safety
17%
Vinylidene Fluoride
17%
Radical Scavenger
17%
Anode
16%
Exfoliation
15%
Crown Ether
15%
Conductivity
15%
Proton
14%
Dioxygen
14%
Dissolution
14%
Reduction
13%
Secondary Structure
13%
Metal Organic Framework
13%
Voltage
12%
Porosity
12%
Protective
12%
Magnesium Atom
12%
Nanosheet
12%
Mineral
12%
Ethylamine
11%
Bromide
11%
Carbon Nanotube
11%
Scanning Transmission Electron Microscopy
10%
Arene
9%
Current Density
9%
Resistance
9%
Density Functional Theory
9%
Electricity
8%
Energy
8%
Copolymer
7%
Nanoparticle
7%
Crystal Structure
7%
Chemical Stability
7%
Platinum Nanoparticle
7%
Acrylic Acid
6%